feat(jdk8): move files to new folder to avoid resources compiled.

jdkSrc/jdk8/com/sun/xml/internal/xsom/impl/Util.java

@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * 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,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package com.sun.xml.internal.xsom.impl;
+
+import com.sun.xml.internal.xsom.XSComplexType;
+import com.sun.xml.internal.xsom.XSType;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Set;
+
+/**
+ *
+ *
+ * @author
+ *     Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
+ */
+class Util {
+    private static XSType[] listDirectSubstitutables( XSType _this ) {
+        ArrayList r = new ArrayList();
+
+        // TODO: handle @block
+        Iterator itr = ((SchemaImpl)_this.getOwnerSchema()).parent.iterateTypes();
+        while( itr.hasNext() ) {
+            XSType t = (XSType)itr.next();
+            if( t.getBaseType()==_this )
+                r.add(t);
+        }
+        return (XSType[]) r.toArray(new XSType[r.size()]);
+    }
+
+    public static XSType[] listSubstitutables( XSType _this ) {
+        Set substitables = new HashSet();
+        buildSubstitutables( _this, substitables );
+        return (XSType[]) substitables.toArray(new XSType[substitables.size()]);
+    }
+
+    public static void buildSubstitutables( XSType _this, Set substitutables ) {
+        if( _this.isLocal() )    return;
+        buildSubstitutables( _this, _this, substitutables );
+    }
+
+    private static void buildSubstitutables( XSType head, XSType _this, Set substitutables ) {
+        if(!isSubstitutable(head,_this))
+            return;    // no derived type of _this can substitute head.
+
+        if(substitutables.add(_this)) {
+            XSType[] child = listDirectSubstitutables(_this);
+            for( int i=0; i<child.length; i++ )
+                buildSubstitutables( head, child[i], substitutables );
+        }
+    }
+
+    /**
+     * Implements
+     * <code>Validation Rule: Schema-Validity Assessment (Element) 1.2.1.2.4</code>
+     */
+    private static boolean isSubstitutable( XSType _base, XSType derived ) {
+        // too ugly to the point that it's almost unbearable.
+        // I mean, it's not even transitive. Thus we end up calling this method
+        // for each candidate
+        if( _base.isComplexType() ) {
+            XSComplexType base = _base.asComplexType();
+
+            for( ; base!=derived; derived=derived.getBaseType() ) {
+                if( base.isSubstitutionProhibited( derived.getDerivationMethod() ) )
+                    return false;    // Type Derivation OK (Complex)-1
+            }
+            return true;
+        } else {
+            // simple type don't have any @block
+            return true;
+        }
+    }
+
+}