Skip to main content
aboutsummaryrefslogtreecommitdiffstats
blob: dbe01377726a0eee47b8628b204bbebbe29e1512 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
/*******************************************************************************
 * Copyright (c) 2006, 2010 Soyatec (http://www.soyatec.com) and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     Soyatec - initial API and implementation
 *******************************************************************************/
package org.eclipse.papyrus.xwt.internal.xml;

import java.io.IOException;
import java.io.InputStream;
import java.util.LinkedList;
import java.util.List;
import java.util.Observable;

import org.eclipse.papyrus.xwt.IConstants;
import org.xml.sax.SAXException;

/**
 * @author yyang
 * @version 1.0
 */
public class DocumentObject extends Observable implements Cloneable {

	private String id;

	private String name;

	private String namespace;

	private String content;

	private List<DocumentObject> children;

	protected DocumentObject parent;

	/**
	 * @param manager
	 * @param namespace
	 * @param name
	 */
	public DocumentObject(String namespace, String name) {
		assert namespace != null;
		assert name != null;
		this.children = new LinkedList<DocumentObject>();
		setNamespace(namespace);
		setName(name);

	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.soyatec.xaml.IDocumentObject#addChild(org.soyatec.xaml.IDocumentObject )
	 */
	public void addChild(DocumentObject child) {
		assert child != null;

		if(children.add(child)) {
			DocumentObject oParent = (DocumentObject)(child).getParent();
			if(oParent != null) {
				oParent.delChild(child);
			}
			// Assign the new parent.
			((DocumentObject)child).setParent(this);
		}
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.soyatec.xaml.IDocumentObject#getChildren()
	 */
	public DocumentObject[] getChildren() {
		return children.toArray(IConstants.EMPTY_DOCOBJ_ARRAY);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.soyatec.xaml.IDocumentObject#getContent()
	 */
	public String getContent() {
		return content;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.soyatec.xaml.IDocumentObject#getId()
	 */
	public String getId() {
		return id;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.soyatec.xaml.IDocumentObject#getName()
	 */
	public String getName() {
		return name;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.soyatec.xaml.IDocumentObject#getNamespace()
	 */
	public String getNamespace() {
		return namespace;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.soyatec.xaml.IDocumentObject#hasCildren()
	 */
	public boolean hasChildren() {
		return !children.isEmpty();
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.soyatec.xaml.IDocumentObject#include(java.io.InputStream)
	 */
	public void include(ElementManager elementManager, InputStream input) throws IOException {
		try {
			elementManager.load(input, this);
		} catch (SAXException e) {
			throw new IOException(e.getLocalizedMessage());
		}
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.soyatec.xaml.IDocumentObject#include(java.lang.String)
	 */
	public void include(ElementManager elementManager, String path) throws IOException {
		InputStream input = elementManager.getDocumentRoot().openStream(path);
		if(input != null) {
			include(elementManager, input);
		}
		input.close();
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.soyatec.xaml.IDocumentObject#setContent(java.lang.String)
	 */
	public void setContent(String text) {
		this.content = text;
	}

	@Override
	public Object clone() throws CloneNotSupportedException {
		DocumentObject docobj = (DocumentObject)super.clone();

		// Clear object id.
		docobj.id = null;

		// Clone children.
		for(DocumentObject child : getChildren()) {
			DocumentObject nChild = (DocumentObject)child.clone();
			docobj.addChild(nChild);
		}

		return docobj;
	}

	/**
	 * @param id
	 *        the id to set
	 */
	protected void setId(String id) {
		if(this.id != null) {
			throw new IllegalStateException("Element id is already defined");
		}

		assert id != null;

		this.id = id;
	}

	/**
	 * @param namespace
	 *        the namespace to set
	 * @uml.property name="namespace"
	 */
	protected void setNamespace(String namespace) {
		assert namespace != null : "Element namespace is null";
		assert this.namespace != null : "Element namepsace is defined";

		this.namespace = namespace;
	}

	/**
	 * @param name
	 *        the name to set
	 * @uml.property name="name"
	 */
	protected void setName(String name) {
		assert name != null : "Element name is null";
		assert this.name != null : "Element name is defined";

		this.name = name;
	}

	/**
	 * Remove child from parent.
	 * 
	 * @param child
	 *        the removed parent.
	 */
	protected void delChild(DocumentObject child) {
		assert child != null;

		if(child instanceof Element) {
			DocumentObject parent = ((Element)child).getParent();
			if(parent != null && parent.equals(this)) {
				children.remove(child);
				((Element)child).setParent(null);
			}
		}
	}

	public DocumentObject getParent() {
		return parent;
	}

	public void setParent(DocumentObject parent) {
		this.parent = parent;
	}
}

Back to the top