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Java > Open Source Codes > org > eclipse > ui > internal > ide > model > WorkbenchMarker


1 /*******************************************************************************
2  * Copyright (c) 2000, 2006 IBM Corporation and others.
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Eclipse Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/epl-v10.html
7  *
8  * Contributors:
9  * IBM Corporation - initial API and implementation
10  *******************************************************************************/
11
12 package org.eclipse.ui.internal.ide.model;
13
14 import org.eclipse.core.resources.IMarker;
15 import org.eclipse.core.resources.IResource;
16 import org.eclipse.core.runtime.CoreException;
17 import org.eclipse.jface.resource.ImageDescriptor;
18 import org.eclipse.ui.IMarkerActionFilter;
19 import org.eclipse.ui.actions.SimpleWildcardTester;
20 import org.eclipse.ui.internal.ide.IDEWorkbenchPlugin;
21 import org.eclipse.ui.model.WorkbenchAdapter;
22
23 /**
24  * Model object for adapting IMarker objects to the IWorkbenchAdapter
25  * interface.
26  */
27 public class WorkbenchMarker extends WorkbenchAdapter implements
28         IMarkerActionFilter {
29     /*
30      * (non-Javadoc)
31      * @see org.eclipse.ui.model.IWorkbenchAdapter#getImageDescriptor(java.lang.Object)
32      */
33     public ImageDescriptor getImageDescriptor(Object JavaDoc o) {
34         if (!(o instanceof IMarker)) {
35             return null;
36         }
37         return IDEWorkbenchPlugin.getDefault().getMarkerImageProviderRegistry()
38                 .getImageDescriptor((IMarker) o);
39     }
40
41     /*
42      * (non-Javadoc)
43      * @see org.eclipse.ui.model.IWorkbenchAdapter#getLabel(java.lang.Object)
44      */
45     public String JavaDoc getLabel(Object JavaDoc o) {
46         IMarker marker = (IMarker) o;
47         return marker.getAttribute(IMarker.MESSAGE, "");//$NON-NLS-1$
48 }
49
50     /*
51      * (non-Javadoc)
52      * @see org.eclipse.ui.model.IWorkbenchAdapter#getParent(java.lang.Object)
53      */
54     public Object JavaDoc getParent(Object JavaDoc o) {
55         return ((IMarker) o).getResource();
56     }
57
58     /**
59      * Returns whether the specific attribute matches the state of the target
60      * object.
61      *
62      * @param target the target object
63      * @param name the attribute name
64      * @param value the attriute value
65      * @return <code>true</code> if the attribute matches; <code>false</code> otherwise
66      */
67     public boolean testAttribute(Object JavaDoc target, String JavaDoc name, String JavaDoc value) {
68         IMarker marker = (IMarker) target;
69         if (name.equals(TYPE)) {
70             try {
71                 return value.equals(marker.getType());
72             } catch (CoreException e) {
73                 return false;
74             }
75         } else if (name.equals(SUPER_TYPE)) {
76             try {
77                 return marker.isSubtypeOf(value);
78             } catch (CoreException e) {
79                 return false;
80             }
81         } else if (name.equals(PRIORITY)) {
82             return testIntegerAttribute(marker, IMarker.PRIORITY, value);
83         } else if (name.equals(SEVERITY)) {
84             return testIntegerAttribute(marker, IMarker.SEVERITY, value);
85         } else if (name.equals(MESSAGE)) {
86             try {
87                 String JavaDoc msg = (String JavaDoc) marker.getAttribute(IMarker.MESSAGE);
88                 if (msg == null) {
89                     return false;
90                 }
91                 return SimpleWildcardTester.testWildcardIgnoreCase(value, msg);
92             } catch (CoreException e) {
93                 return false;
94             }
95         } else if (name.equals(DONE)) {
96             try {
97                 value = value.toLowerCase();
98                 Boolean JavaDoc done = (Boolean JavaDoc) marker.getAttribute(IMarker.DONE);
99                 if (done == null) {
100                     return false;
101                 }
102                 return (done.booleanValue() == value.equals("true"));//$NON-NLS-1$
103 } catch (CoreException e) {
104                 return false;
105             }
106         } else if (name.equals(RESOURCE_TYPE)) {
107             int desiredType = 0;
108
109             try {
110                 desiredType = Integer.parseInt(value);
111             } catch (NumberFormatException JavaDoc eNumberFormat) {
112             }
113
114             if (!(desiredType == IResource.FILE
115                     || desiredType == IResource.FOLDER
116                     || desiredType == IResource.PROJECT || desiredType == IResource.ROOT)) {
117                 return false;
118             }
119
120             return (marker.getResource().getType() & desiredType) > 0;
121         }
122         return false;
123     }
124
125     /**
126      * Returns whether the specific integer attribute matches a value.
127      */
128     private boolean testIntegerAttribute(IMarker marker, String JavaDoc attrName,
129             String JavaDoc value) {
130         Integer JavaDoc i1, i2;
131         try {
132             i1 = (Integer JavaDoc) marker.getAttribute(attrName);
133             if (i1 == null) {
134                 return false;
135             }
136         } catch (CoreException e) {
137             return false;
138         }
139         try {
140             i2 = Integer.valueOf(value);
141         } catch (NumberFormatException JavaDoc e) {
142             return false;
143         }
144         return i1.equals(i2);
145     }
146 }
147
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