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1
11 package org.eclipse.pde.internal.core.plugin;
12
13 import java.io.PrintWriter  ;
14
15 import org.eclipse.core.runtime.CoreException;
16 import org.eclipse.pde.core.plugin.IPluginAttribute;
17 import org.eclipse.pde.internal.core.ischema.ISchema;
18 import org.eclipse.pde.internal.core.ischema.ISchemaAttribute;
19 import org.eclipse.pde.internal.core.ischema.ISchemaElement;
20 import org.w3c.dom.Node ;
21
22 public class PluginAttribute extends PluginObject implements IPluginAttribute {
23 private static final long serialVersionUID = 1L;
24
25 protected String fValue;
26
27 private transient ISchemaAttribute attributeInfo;
28
29 public PluginAttribute() {
30 }
31
32 PluginAttribute(IPluginAttribute attribute) {
33 setModel(attribute.getModel());
34 setParent(attribute.getParent());
35 fName = attribute.getName();
36 fValue = attribute.getValue();
37 this.attributeInfo = ((PluginAttribute) attribute).getAttributeInfo();
38 }
39
40 public Object clone() {
41 return new PluginAttribute(this);
42 }
43
44 public boolean equals(Object obj) {
45 if (obj == this)
46 return true;
47 if (obj == null)
48 return false;
49 if (obj instanceof IPluginAttribute) {
50 IPluginAttribute target = (IPluginAttribute) obj;
51 if (target.getModel().equals(getModel()))
52 return false;
53 if (stringEqualWithNull(getName(), target.getName())
54 && stringEqualWithNull(getValue(), target.getValue()))
55 return true;
56 }
57 return false;
58 }
59
60 public ISchemaAttribute getAttributeInfo() {
61 if (attributeInfo != null) {
62 ISchema schema = attributeInfo.getSchema();
63 if (schema.isDisposed()) {
64 attributeInfo = null;
65 }
66 }
67 if (attributeInfo == null) {
68 PluginElement element = (PluginElement) getParent();
69 ISchemaElement elementInfo = (ISchemaElement) element
70 .getElementInfo();
71 if (elementInfo != null) {
72 attributeInfo = elementInfo.getAttribute(getName());
73 }
74 }
75 return attributeInfo;
76 }
77
78 public String getValue() {
79 return fValue;
80 }
81
82 void load(Node node) {
83 fName = node.getNodeName();
84 fValue = node.getNodeValue();
85 }
86
87 public void setAttributeInfo(ISchemaAttribute newAttributeInfo) {
88 attributeInfo = newAttributeInfo;
89 }
90
91 public void setValue(String newValue) throws CoreException {
92 ensureModelEditable();
93 String oldValue = fValue;
94 fValue = newValue;
95 AttributeChangedEvent e = new AttributeChangedEvent(getModel(),
96 getParent(), this, oldValue, newValue);
97 fireModelChanged(e);
98 }
99
100 public void write(String indent, PrintWriter writer) {
101 if (fValue == null)
102 return;
103 writer.print(indent);
104 writer.print(getName() + "=\"" + getWritableString(fValue) + "\""); }
106 }
107 |
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