feat(jdk8): move files to new folder to avoid resources compiled.
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jdkSrc/jdk8/com/sun/beans/decoder/MethodElementHandler.java
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jdkSrc/jdk8/com/sun/beans/decoder/MethodElementHandler.java
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/*
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* Copyright (c) 2008, 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
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* 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
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* 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 com.sun.beans.decoder;
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import com.sun.beans.finder.MethodFinder;
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import java.lang.reflect.Method;
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import sun.reflect.misc.MethodUtil;
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/**
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* This class is intended to handle <method> element.
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* It describes invocation of the method.
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* The {@code name} attribute denotes
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* the name of the method to invoke.
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* If the {@code class} attribute is specified
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* this element invokes static method of specified class.
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* The inner elements specifies the arguments of the method.
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* For example:<pre>
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* <method name="valueOf" class="java.lang.Long">
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* <string>10</string>
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* </method></pre>
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* is equivalent to {@code Long.valueOf("10")} in Java code.
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* <p>The following attributes are supported:
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* <dl>
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* <dt>name
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* <dd>the method name
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* <dt>class
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* <dd>the type of object for instantiation
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* <dt>id
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* <dd>the identifier of the variable that is intended to store the result
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* </dl>
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*
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* @since 1.7
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*
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* @author Sergey A. Malenkov
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*/
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final class MethodElementHandler extends NewElementHandler {
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private String name;
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/**
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* Parses attributes of the element.
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* The following attributes are supported:
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* <dl>
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* <dt>name
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* <dd>the method name
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* <dt>class
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* <dd>the type of object for instantiation
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* <dt>id
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* <dd>the identifier of the variable that is intended to store the result
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* </dl>
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*
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* @param name the attribute name
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* @param value the attribute value
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*/
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@Override
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public void addAttribute(String name, String value) {
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if (name.equals("name")) { // NON-NLS: the attribute name
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this.name = value;
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} else {
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super.addAttribute(name, value);
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}
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}
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/**
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* Returns the result of method execution.
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*
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* @param type the base class
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* @param args the array of arguments
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* @return the value of this element
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* @throws Exception if calculation is failed
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*/
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@Override
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protected ValueObject getValueObject(Class<?> type, Object[] args) throws Exception {
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Object bean = getContextBean();
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Class<?>[] types = getArgumentTypes(args);
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Method method = (type != null)
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? MethodFinder.findStaticMethod(type, this.name, types)
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: MethodFinder.findMethod(bean.getClass(), this.name, types);
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if (method.isVarArgs()) {
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args = getArguments(args, method.getParameterTypes());
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}
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Object value = MethodUtil.invoke(method, bean, args);
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return method.getReturnType().equals(void.class)
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? ValueObjectImpl.VOID
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: ValueObjectImpl.create(value);
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}
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}
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