1/* 2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26package com.sun.xml.internal.xsom.impl; 27 28import com.sun.xml.internal.xsom.XSElementDecl; 29import com.sun.xml.internal.xsom.XSModelGroup; 30import com.sun.xml.internal.xsom.XSModelGroupDecl; 31import com.sun.xml.internal.xsom.XSParticle; 32import com.sun.xml.internal.xsom.XSTerm; 33import com.sun.xml.internal.xsom.XSWildcard; 34import com.sun.xml.internal.xsom.impl.parser.SchemaDocumentImpl; 35import com.sun.xml.internal.xsom.visitor.XSFunction; 36import com.sun.xml.internal.xsom.visitor.XSTermFunction; 37import com.sun.xml.internal.xsom.visitor.XSTermFunctionWithParam; 38import com.sun.xml.internal.xsom.visitor.XSTermVisitor; 39import com.sun.xml.internal.xsom.visitor.XSVisitor; 40import org.xml.sax.Locator; 41 42import java.util.Arrays; 43import java.util.Iterator; 44 45public class ModelGroupImpl extends ComponentImpl implements XSModelGroup, Ref.Term 46{ 47 public ModelGroupImpl( SchemaDocumentImpl owner, AnnotationImpl _annon, Locator _loc, ForeignAttributesImpl _fa, 48 Compositor _compositor, ParticleImpl[] _children ) { 49 50 super(owner,_annon,_loc,_fa); 51 this.compositor = _compositor; 52 this.children = _children; 53 54 if(compositor==null) 55 throw new IllegalArgumentException(); 56 for( int i=children.length-1; i>=0; i-- ) 57 if(children[i]==null) 58 throw new IllegalArgumentException(); 59 } 60 61 private final ParticleImpl[] children; 62 public ParticleImpl getChild( int idx ) { return children[idx]; } 63 public int getSize() { return children.length; } 64 65 public ParticleImpl[] getChildren() { return children; } 66 67 68 private final Compositor compositor; 69 public Compositor getCompositor() { return compositor; } 70 71 72 public void redefine(ModelGroupDeclImpl oldMG) { 73 for (ParticleImpl p : children) 74 p.redefine(oldMG); 75 } 76 77 public Iterator<XSParticle> iterator() { 78 return Arrays.asList((XSParticle[])children).iterator(); 79 } 80 81 82 public boolean isWildcard() { return false; } 83 public boolean isModelGroupDecl() { return false; } 84 public boolean isModelGroup() { return true; } 85 public boolean isElementDecl() { return false; } 86 87 public XSWildcard asWildcard() { return null; } 88 public XSModelGroupDecl asModelGroupDecl() { return null; } 89 public XSModelGroup asModelGroup() { return this; } 90 public XSElementDecl asElementDecl() { return null; } 91 92 93 94 public void visit( XSVisitor visitor ) { 95 visitor.modelGroup(this); 96 } 97 public void visit( XSTermVisitor visitor ) { 98 visitor.modelGroup(this); 99 } 100 public Object apply( XSTermFunction function ) { 101 return function.modelGroup(this); 102 } 103 104 public <T,P> T apply(XSTermFunctionWithParam<T, P> function, P param) { 105 return function.modelGroup(this,param); 106 } 107 108 public Object apply( XSFunction function ) { 109 return function.modelGroup(this); 110 } 111 112 // Ref.Term implementation 113 public XSTerm getTerm() { return this; } 114} 115