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
|
/*******************************************************************************
* Copyright (c) 2001, 2008 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
/*
* Created on May 3, 2004
*
* To change the template for this generated file go to
* Window - Preferences - Java - Code Generation - Code and Comments
*/
package org.eclipse.wst.validation.internal;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtension;
import org.eclipse.core.runtime.IExtensionPoint;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Platform;
import org.eclipse.wst.validation.internal.operations.ReferencialFileValidator;
import org.eclipse.wst.validation.internal.plugin.ValidationPlugin;
/**
* @author vijayb
*/
public class ReferencialFileValidatorRegistryReader {
static ReferencialFileValidatorRegistryReader instance;
private static final String Id = "id"; //$NON-NLS-1$
private static final String ExtensionPoint = "referencialFileValidator"; //$NON-NLS-1$
protected List<ReferencialFileValidatorExtension> referencialFileValidationExtensions;
public ReferencialFileValidatorRegistryReader() {
}
/**
* Read the extension point and parse it.
*/
public void readRegistry() {
IExtensionPoint point = Platform.getExtensionRegistry().getExtensionPoint(Id, ExtensionPoint);
if (point == null)return;
IConfigurationElement[] elements = point.getConfigurationElements();
for (int i = 0; i < elements.length; i++) {
internalReadElement(elements[i]);
}
}
private void internalReadElement(IConfigurationElement element) {
boolean recognized = this.readElement(element);
if (!recognized) {
logError(element, "Error processing extension: " + element); //$NON-NLS-1$
}
}
/*
* Logs the error in the desktop log using the provided text and the information in the configuration element.
*/
protected void logError(IConfigurationElement element, String text) {
IExtension extension = element.getDeclaringExtension();
StringBuffer buf = new StringBuffer();
buf.append("Plugin " + extension.getContributor().getName() + ", extension " + extension.getExtensionPointUniqueIdentifier()); //$NON-NLS-1$ //$NON-NLS-2$
buf.append("\n" + text); //$NON-NLS-1$
ValidationPlugin.getPlugin().logMessage(IStatus.ERROR, buf.toString());
}
/*
* (non-Javadoc)
*
* @see org.eclipse.wst.common.frameworks.internal.RegistryReader#readElement(org.eclipse.core.runtime.IConfigurationElement)
*/
public boolean readElement(IConfigurationElement element) {
if (ReferencialFileValidatorExtension.REF_FILE_VALIDATOR_EXTENSION.equals(element.getName())) {
addExtension(element);
return true;
}
return false;
}
/**
* Sets the extension point.
*
* @param newExtension
* The extensions to set
*/
protected void addExtension(IConfigurationElement newExtension) {
//add to the list of post validator extensions only if the extension is not added yet
boolean containsExt = true;
for(ReferencialFileValidatorExtension ext : getReferencialFileValidationExtensions()) {
if(!ext.getElement().getAttribute(Id).equals(newExtension.getAttribute(Id)))containsExt = false;
}
if(!containsExt ||getReferencialFileValidationExtensions().isEmpty())
getReferencialFileValidationExtensions().add(new ReferencialFileValidatorExtension(newExtension));
getReferencialFileValidationExtensions().add(new ReferencialFileValidatorExtension(newExtension));
}
/**
* Sets the extension point.
*
* @param newExtension
* The extensions to set
*/
protected void addExtensionPoint(ReferencialFileValidatorExtension newExtension) {
if (referencialFileValidationExtensions == null)
referencialFileValidationExtensions = new ArrayList<ReferencialFileValidatorExtension>();
referencialFileValidationExtensions.add(newExtension);
}
/**
* @return the appropriate handler for the project based on priorities of those which are
* available and enabled
*/
public ReferencialFileValidator getReferencialFileValidator() {
for (ReferencialFileValidatorExtension refFileValExt: getReferencialFileValidationExtensions()) {
return refFileValExt.getInstance();
}
return null;
}
/**
* Gets the singleton instance.
*/
public static ReferencialFileValidatorRegistryReader getInstance() {
if (instance == null) {
instance = new ReferencialFileValidatorRegistryReader();
instance.readRegistry();
}
return instance;
}
/**
* @return Returns the handlerExtensions.
*/
protected List<ReferencialFileValidatorExtension> getReferencialFileValidationExtensions() {
if (referencialFileValidationExtensions == null)
referencialFileValidationExtensions = new ArrayList<ReferencialFileValidatorExtension>();
return referencialFileValidationExtensions;
}
}
|
