feat(jdk8): move files to new folder to avoid resources compiled.
This commit is contained in:
@@ -0,0 +1,627 @@
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/*
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* Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
|
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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||||
* by Oracle in the LICENSE file that accompanied this code.
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*
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||||
* This code is distributed in the hope that it will be useful, but WITHOUT
|
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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||||
* version 2 for more details (a copy is included in the LICENSE file that
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||||
* accompanied this code).
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||||
*
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||||
* You should have received a copy of the GNU General Public License version
|
||||
* 2 along with this work; if not, write to the Free Software Foundation,
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||||
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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||||
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package javax.management.openmbean;
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// java import
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//
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import java.util.Set;
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import javax.management.Descriptor;
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import javax.management.DescriptorRead; // for Javadoc
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import javax.management.ImmutableDescriptor;
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import javax.management.MBeanParameterInfo;
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// OpenMBeanAttributeInfoSupport and this class are very similar
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// but can't easily be refactored because there's no multiple inheritance.
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// The best we can do for refactoring is to put a bunch of static methods
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// in OpenMBeanAttributeInfoSupport and import them here.
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import static javax.management.openmbean.OpenMBeanAttributeInfoSupport.*;
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/**
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* Describes a parameter used in one or more operations or
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* constructors of an open MBean.
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*
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*
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* @since 1.5
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*/
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public class OpenMBeanParameterInfoSupport
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extends MBeanParameterInfo
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implements OpenMBeanParameterInfo {
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/* Serial version */
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static final long serialVersionUID = -7235016873758443122L;
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/**
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* @serial The open mbean parameter's <i>open type</i>
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*/
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private OpenType<?> openType;
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/**
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* @serial The open mbean parameter's default value
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*/
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private Object defaultValue = null;
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/**
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* @serial The open mbean parameter's legal values. This {@link
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* Set} is unmodifiable
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*/
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private Set<?> legalValues = null; // to be constructed unmodifiable
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/**
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* @serial The open mbean parameter's min value
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*/
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private Comparable<?> minValue = null;
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/**
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* @serial The open mbean parameter's max value
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*/
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private Comparable<?> maxValue = null;
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// As this instance is immutable, these two values need only
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// be calculated once.
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private transient Integer myHashCode = null; // As this instance is immutable, these two values
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private transient String myToString = null; // need only be calculated once.
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/**
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* Constructs an {@code OpenMBeanParameterInfoSupport} instance,
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* which describes the parameter used in one or more operations or
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* constructors of a class of open MBeans, with the specified
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* {@code name}, {@code openType} and {@code description}.
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*
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* @param name cannot be a null or empty string.
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*
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* @param description cannot be a null or empty string.
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*
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* @param openType cannot be null.
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*
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* @throws IllegalArgumentException if {@code name} or {@code
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* description} are null or empty string, or {@code openType} is
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* null.
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*/
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public OpenMBeanParameterInfoSupport(String name,
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String description,
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OpenType<?> openType) {
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this(name, description, openType, (Descriptor) null);
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}
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/**
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* Constructs an {@code OpenMBeanParameterInfoSupport} instance,
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* which describes the parameter used in one or more operations or
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* constructors of a class of open MBeans, with the specified
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* {@code name}, {@code openType}, {@code description},
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* and {@code descriptor}.
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*
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* <p>The {@code descriptor} can contain entries that will define
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* the values returned by certain methods of this class, as
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* explained in the <a href="package-summary.html#constraints">
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* package description</a>.
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*
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* @param name cannot be a null or empty string.
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*
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* @param description cannot be a null or empty string.
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*
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* @param openType cannot be null.
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*
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* @param descriptor The descriptor for the parameter. This may be null
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* which is equivalent to an empty descriptor.
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*
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* @throws IllegalArgumentException if {@code name} or {@code
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* description} are null or empty string, or {@code openType} is
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* null, or the descriptor entries are invalid as described in the
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* <a href="package-summary.html#constraints">package
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* description</a>.
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*
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* @since 1.6
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*/
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public OpenMBeanParameterInfoSupport(String name,
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String description,
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OpenType<?> openType,
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Descriptor descriptor) {
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// Construct parent's state
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//
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super(name,
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(openType==null) ? null : openType.getClassName(),
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description,
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ImmutableDescriptor.union(descriptor,(openType==null)?null:
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openType.getDescriptor()));
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// Initialize this instance's specific state
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//
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this.openType = openType;
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descriptor = getDescriptor(); // replace null by empty
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this.defaultValue = valueFrom(descriptor, "defaultValue", openType);
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this.legalValues = valuesFrom(descriptor, "legalValues", openType);
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this.minValue = comparableValueFrom(descriptor, "minValue", openType);
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this.maxValue = comparableValueFrom(descriptor, "maxValue", openType);
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try {
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check(this);
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} catch (OpenDataException e) {
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throw new IllegalArgumentException(e.getMessage(), e);
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}
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}
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/**
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* Constructs an {@code OpenMBeanParameterInfoSupport} instance,
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* which describes the parameter used in one or more operations or
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* constructors of a class of open MBeans, with the specified
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* {@code name}, {@code openType}, {@code description} and {@code
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* defaultValue}.
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*
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* @param name cannot be a null or empty string.
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*
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* @param description cannot be a null or empty string.
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*
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* @param openType cannot be null.
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*
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* @param defaultValue must be a valid value for the {@code
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* openType} specified for this parameter; default value not
|
||||
* supported for {@code ArrayType} and {@code TabularType}; can be
|
||||
* null, in which case it means that no default value is set.
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||||
*
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* @param <T> allows the compiler to check that the {@code defaultValue},
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* if non-null, has the correct Java type for the given {@code openType}.
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||||
*
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||||
* @throws IllegalArgumentException if {@code name} or {@code
|
||||
* description} are null or empty string, or {@code openType} is
|
||||
* null.
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*
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* @throws OpenDataException if {@code defaultValue} is not a
|
||||
* valid value for the specified {@code openType}, or {@code
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* defaultValue} is non null and {@code openType} is an {@code
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* ArrayType} or a {@code TabularType}.
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*/
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public <T> OpenMBeanParameterInfoSupport(String name,
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String description,
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OpenType<T> openType,
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T defaultValue)
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throws OpenDataException {
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this(name, description, openType, defaultValue, (T[]) null);
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}
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/**
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* <p>Constructs an {@code OpenMBeanParameterInfoSupport} instance,
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* which describes the parameter used in one or more operations or
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* constructors of a class of open MBeans, with the specified
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* {@code name}, {@code openType}, {@code description}, {@code
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* defaultValue} and {@code legalValues}.</p>
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*
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* <p>The contents of {@code legalValues} are copied, so subsequent
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* modifications of the array referenced by {@code legalValues}
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* have no impact on this {@code OpenMBeanParameterInfoSupport}
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* instance.</p>
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*
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* @param name cannot be a null or empty string.
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*
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* @param description cannot be a null or empty string.
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||||
*
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* @param openType cannot be null.
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||||
*
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* @param defaultValue must be a valid value for the {@code
|
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* openType} specified for this parameter; default value not
|
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* supported for {@code ArrayType} and {@code TabularType}; can be
|
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* null, in which case it means that no default value is set.
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*
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* @param legalValues each contained value must be valid for the
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* {@code openType} specified for this parameter; legal values not
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||||
* supported for {@code ArrayType} and {@code TabularType}; can be
|
||||
* null or empty.
|
||||
*
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* @param <T> allows the compiler to check that the {@code
|
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* defaultValue} and {@code legalValues}, if non-null, have the
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||||
* correct Java type for the given {@code openType}.
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||||
*
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* @throws IllegalArgumentException if {@code name} or {@code
|
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* description} are null or empty string, or {@code openType} is
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* null.
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*
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* @throws OpenDataException if {@code defaultValue} is not a
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* valid value for the specified {@code openType}, or one value in
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* {@code legalValues} is not valid for the specified {@code
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* openType}, or {@code defaultValue} is non null and {@code
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||||
* openType} is an {@code ArrayType} or a {@code TabularType}, or
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* {@code legalValues} is non null and non empty and {@code
|
||||
* openType} is an {@code ArrayType} or a {@code TabularType}, or
|
||||
* {@code legalValues} is non null and non empty and {@code
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||||
* defaultValue} is not contained in {@code legalValues}.
|
||||
*/
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public <T> OpenMBeanParameterInfoSupport(String name,
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String description,
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OpenType<T> openType,
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T defaultValue,
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T[] legalValues)
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||||
throws OpenDataException {
|
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this(name, description, openType,
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defaultValue, legalValues, null, null);
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}
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||||
|
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|
||||
/**
|
||||
* Constructs an {@code OpenMBeanParameterInfoSupport} instance,
|
||||
* which describes the parameter used in one or more operations or
|
||||
* constructors of a class of open MBeans, with the specified
|
||||
* {@code name}, {@code openType}, {@code description}, {@code
|
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* defaultValue}, {@code minValue} and {@code maxValue}.
|
||||
*
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* It is possible to specify minimal and maximal values only for
|
||||
* an open type whose values are {@code Comparable}.
|
||||
*
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* @param name cannot be a null or empty string.
|
||||
*
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||||
* @param description cannot be a null or empty string.
|
||||
*
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||||
* @param openType cannot be null.
|
||||
*
|
||||
* @param defaultValue must be a valid value for the {@code
|
||||
* openType} specified for this parameter; default value not
|
||||
* supported for {@code ArrayType} and {@code TabularType}; can be
|
||||
* null, in which case it means that no default value is set.
|
||||
*
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||||
* @param minValue must be valid for the {@code openType}
|
||||
* specified for this parameter; can be null, in which case it
|
||||
* means that no minimal value is set.
|
||||
*
|
||||
* @param maxValue must be valid for the {@code openType}
|
||||
* specified for this parameter; can be null, in which case it
|
||||
* means that no maximal value is set.
|
||||
*
|
||||
* @param <T> allows the compiler to check that the {@code
|
||||
* defaultValue}, {@code minValue}, and {@code maxValue}, if
|
||||
* non-null, have the correct Java type for the given {@code
|
||||
* openType}.
|
||||
*
|
||||
* @throws IllegalArgumentException if {@code name} or {@code
|
||||
* description} are null or empty string, or {@code openType} is
|
||||
* null.
|
||||
*
|
||||
* @throws OpenDataException if {@code defaultValue}, {@code
|
||||
* minValue} or {@code maxValue} is not a valid value for the
|
||||
* specified {@code openType}, or {@code defaultValue} is non null
|
||||
* and {@code openType} is an {@code ArrayType} or a {@code
|
||||
* TabularType}, or both {@code minValue} and {@code maxValue} are
|
||||
* non-null and {@code minValue.compareTo(maxValue) > 0} is {@code
|
||||
* true}, or both {@code defaultValue} and {@code minValue} are
|
||||
* non-null and {@code minValue.compareTo(defaultValue) > 0} is
|
||||
* {@code true}, or both {@code defaultValue} and {@code maxValue}
|
||||
* are non-null and {@code defaultValue.compareTo(maxValue) > 0}
|
||||
* is {@code true}.
|
||||
*/
|
||||
public <T> OpenMBeanParameterInfoSupport(String name,
|
||||
String description,
|
||||
OpenType<T> openType,
|
||||
T defaultValue,
|
||||
Comparable<T> minValue,
|
||||
Comparable<T> maxValue)
|
||||
throws OpenDataException {
|
||||
this(name, description, openType,
|
||||
defaultValue, null, minValue, maxValue);
|
||||
}
|
||||
|
||||
private <T> OpenMBeanParameterInfoSupport(String name,
|
||||
String description,
|
||||
OpenType<T> openType,
|
||||
T defaultValue,
|
||||
T[] legalValues,
|
||||
Comparable<T> minValue,
|
||||
Comparable<T> maxValue)
|
||||
throws OpenDataException {
|
||||
super(name,
|
||||
(openType == null) ? null : openType.getClassName(),
|
||||
description,
|
||||
makeDescriptor(openType,
|
||||
defaultValue, legalValues, minValue, maxValue));
|
||||
|
||||
this.openType = openType;
|
||||
|
||||
Descriptor d = getDescriptor();
|
||||
this.defaultValue = defaultValue;
|
||||
this.minValue = minValue;
|
||||
this.maxValue = maxValue;
|
||||
// We already converted the array into an unmodifiable Set
|
||||
// in the descriptor.
|
||||
this.legalValues = (Set<?>) d.getFieldValue("legalValues");
|
||||
|
||||
check(this);
|
||||
}
|
||||
|
||||
/**
|
||||
* An object serialized in a version of the API before Descriptors were
|
||||
* added to this class will have an empty or null Descriptor.
|
||||
* For consistency with our
|
||||
* behavior in this version, we must replace the object with one
|
||||
* where the Descriptors reflect the same values of openType, defaultValue,
|
||||
* etc.
|
||||
**/
|
||||
private Object readResolve() {
|
||||
if (getDescriptor().getFieldNames().length == 0) {
|
||||
// This noise allows us to avoid "unchecked" warnings without
|
||||
// having to suppress them explicitly.
|
||||
OpenType<Object> xopenType = cast(openType);
|
||||
Set<Object> xlegalValues = cast(legalValues);
|
||||
Comparable<Object> xminValue = cast(minValue);
|
||||
Comparable<Object> xmaxValue = cast(maxValue);
|
||||
return new OpenMBeanParameterInfoSupport(
|
||||
name, description, openType,
|
||||
makeDescriptor(xopenType, defaultValue, xlegalValues,
|
||||
xminValue, xmaxValue));
|
||||
} else
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the open type for the values of the parameter described
|
||||
* by this {@code OpenMBeanParameterInfoSupport} instance.
|
||||
*/
|
||||
public OpenType<?> getOpenType() {
|
||||
return openType;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the default value for the parameter described by this
|
||||
* {@code OpenMBeanParameterInfoSupport} instance, if specified,
|
||||
* or {@code null} otherwise.
|
||||
*/
|
||||
public Object getDefaultValue() {
|
||||
|
||||
// Special case for ArrayType and TabularType
|
||||
// [JF] TODO: clone it so that it cannot be altered,
|
||||
// [JF] TODO: if we decide to support defaultValue as an array itself.
|
||||
// [JF] As of today (oct 2000) it is not supported so
|
||||
// defaultValue is null for arrays. Nothing to do.
|
||||
|
||||
return defaultValue;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns an unmodifiable Set of legal values for the parameter
|
||||
* described by this {@code OpenMBeanParameterInfoSupport}
|
||||
* instance, if specified, or {@code null} otherwise.
|
||||
*/
|
||||
public Set<?> getLegalValues() {
|
||||
|
||||
// Special case for ArrayType and TabularType
|
||||
// [JF] TODO: clone values so that they cannot be altered,
|
||||
// [JF] TODO: if we decide to support LegalValues as an array itself.
|
||||
// [JF] As of today (oct 2000) it is not supported so
|
||||
// legalValues is null for arrays. Nothing to do.
|
||||
|
||||
// Returns our legalValues Set (set was constructed unmodifiable)
|
||||
return (legalValues);
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the minimal value for the parameter described by this
|
||||
* {@code OpenMBeanParameterInfoSupport} instance, if specified,
|
||||
* or {@code null} otherwise.
|
||||
*/
|
||||
public Comparable<?> getMinValue() {
|
||||
|
||||
// Note: only comparable values have a minValue, so that's not
|
||||
// the case of arrays and tabulars (always null).
|
||||
|
||||
return minValue;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the maximal value for the parameter described by this
|
||||
* {@code OpenMBeanParameterInfoSupport} instance, if specified,
|
||||
* or {@code null} otherwise.
|
||||
*/
|
||||
public Comparable<?> getMaxValue() {
|
||||
|
||||
// Note: only comparable values have a maxValue, so that's not
|
||||
// the case of arrays and tabulars (always null).
|
||||
|
||||
return maxValue;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns {@code true} if this {@code
|
||||
* OpenMBeanParameterInfoSupport} instance specifies a non-null
|
||||
* default value for the described parameter, {@code false}
|
||||
* otherwise.
|
||||
*/
|
||||
public boolean hasDefaultValue() {
|
||||
|
||||
return (defaultValue != null);
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns {@code true} if this {@code
|
||||
* OpenMBeanParameterInfoSupport} instance specifies a non-null
|
||||
* set of legal values for the described parameter, {@code false}
|
||||
* otherwise.
|
||||
*/
|
||||
public boolean hasLegalValues() {
|
||||
|
||||
return (legalValues != null);
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns {@code true} if this {@code
|
||||
* OpenMBeanParameterInfoSupport} instance specifies a non-null
|
||||
* minimal value for the described parameter, {@code false}
|
||||
* otherwise.
|
||||
*/
|
||||
public boolean hasMinValue() {
|
||||
|
||||
return (minValue != null);
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns {@code true} if this {@code
|
||||
* OpenMBeanParameterInfoSupport} instance specifies a non-null
|
||||
* maximal value for the described parameter, {@code false}
|
||||
* otherwise.
|
||||
*/
|
||||
public boolean hasMaxValue() {
|
||||
|
||||
return (maxValue != null);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Tests whether {@code obj} is a valid value for the parameter
|
||||
* described by this {@code OpenMBeanParameterInfo} instance.
|
||||
*
|
||||
* @param obj the object to be tested.
|
||||
*
|
||||
* @return {@code true} if {@code obj} is a valid value
|
||||
* for the parameter described by this
|
||||
* {@code OpenMBeanParameterInfo} instance,
|
||||
* {@code false} otherwise.
|
||||
*/
|
||||
public boolean isValue(Object obj) {
|
||||
return OpenMBeanAttributeInfoSupport.isValue(this, obj);
|
||||
// compiler bug? should be able to omit class name here
|
||||
// also below in toString and hashCode
|
||||
}
|
||||
|
||||
|
||||
/* *** Commodity methods from java.lang.Object *** */
|
||||
|
||||
|
||||
/**
|
||||
* <p>Compares the specified {@code obj} parameter with this {@code
|
||||
* OpenMBeanParameterInfoSupport} instance for equality.</p>
|
||||
*
|
||||
* <p>Returns {@code true} if and only if all of the following
|
||||
* statements are true:
|
||||
*
|
||||
* <ul>
|
||||
* <li>{@code obj} is non null,</li>
|
||||
* <li>{@code obj} also implements the {@code OpenMBeanParameterInfo}
|
||||
* interface,</li>
|
||||
* <li>their names are equal</li>
|
||||
* <li>their open types are equal</li>
|
||||
* <li>their default, min, max and legal values are equal.</li>
|
||||
* </ul>
|
||||
* This ensures that this {@code equals} method works properly for
|
||||
* {@code obj} parameters which are different implementations of
|
||||
* the {@code OpenMBeanParameterInfo} interface.
|
||||
*
|
||||
* <p>If {@code obj} also implements {@link DescriptorRead}, then its
|
||||
* {@link DescriptorRead#getDescriptor() getDescriptor()} method must
|
||||
* also return the same value as for this object.</p>
|
||||
*
|
||||
* @param obj the object to be compared for equality with this
|
||||
* {@code OpenMBeanParameterInfoSupport} instance.
|
||||
*
|
||||
* @return {@code true} if the specified object is equal to this
|
||||
* {@code OpenMBeanParameterInfoSupport} instance.
|
||||
*/
|
||||
public boolean equals(Object obj) {
|
||||
if (!(obj instanceof OpenMBeanParameterInfo))
|
||||
return false;
|
||||
|
||||
OpenMBeanParameterInfo other = (OpenMBeanParameterInfo) obj;
|
||||
|
||||
return equal(this, other);
|
||||
}
|
||||
|
||||
/**
|
||||
* <p>Returns the hash code value for this {@code
|
||||
* OpenMBeanParameterInfoSupport} instance.</p>
|
||||
*
|
||||
* <p>The hash code of an {@code OpenMBeanParameterInfoSupport}
|
||||
* instance is the sum of the hash codes of all elements of
|
||||
* information used in {@code equals} comparisons (ie: its name,
|
||||
* its <i>open type</i>, its default, min, max and legal
|
||||
* values, and its Descriptor).
|
||||
*
|
||||
* <p>This ensures that {@code t1.equals(t2)} implies that {@code
|
||||
* t1.hashCode()==t2.hashCode()} for any two {@code
|
||||
* OpenMBeanParameterInfoSupport} instances {@code t1} and {@code
|
||||
* t2}, as required by the general contract of the method {@link
|
||||
* Object#hashCode() Object.hashCode()}.
|
||||
*
|
||||
* <p>However, note that another instance of a class implementing
|
||||
* the {@code OpenMBeanParameterInfo} interface may be equal to
|
||||
* this {@code OpenMBeanParameterInfoSupport} instance as defined
|
||||
* by {@link #equals(java.lang.Object)}, but may have a different
|
||||
* hash code if it is calculated differently.
|
||||
*
|
||||
* <p>As {@code OpenMBeanParameterInfoSupport} instances are
|
||||
* immutable, the hash code for this instance is calculated once,
|
||||
* on the first call to {@code hashCode}, and then the same value
|
||||
* is returned for subsequent calls.
|
||||
*
|
||||
* @return the hash code value for this {@code
|
||||
* OpenMBeanParameterInfoSupport} instance
|
||||
*/
|
||||
public int hashCode() {
|
||||
|
||||
// Calculate the hash code value if it has not yet been done
|
||||
// (ie 1st call to hashCode())
|
||||
//
|
||||
if (myHashCode == null)
|
||||
myHashCode = OpenMBeanAttributeInfoSupport.hashCode(this);
|
||||
|
||||
// return always the same hash code for this instance (immutable)
|
||||
//
|
||||
return myHashCode.intValue();
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns a string representation of this
|
||||
* {@code OpenMBeanParameterInfoSupport} instance.
|
||||
* <p>
|
||||
* The string representation consists of the name of this class (i.e.
|
||||
* {@code javax.management.openmbean.OpenMBeanParameterInfoSupport}),
|
||||
* the string representation of the name and open type of the described
|
||||
* parameter, the string representation of its default, min, max and legal
|
||||
* values and the string representation of its descriptor.
|
||||
* <p>
|
||||
* As {@code OpenMBeanParameterInfoSupport} instances are immutable,
|
||||
* the string representation for this instance is calculated once,
|
||||
* on the first call to {@code toString}, and then the same value
|
||||
* is returned for subsequent calls.
|
||||
*
|
||||
* @return a string representation of this
|
||||
* {@code OpenMBeanParameterInfoSupport} instance.
|
||||
*/
|
||||
public String toString() {
|
||||
|
||||
// Calculate the string value if it has not yet been done (ie
|
||||
// 1st call to toString())
|
||||
//
|
||||
if (myToString == null)
|
||||
myToString = OpenMBeanAttributeInfoSupport.toString(this);
|
||||
|
||||
// return always the same string representation for this
|
||||
// instance (immutable)
|
||||
//
|
||||
return myToString;
|
||||
}
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user