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