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
|
/*******************************************************************************
* Copyright (c) 2001, 2004 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.wst.xml.core.internal.search.quickscan;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import org.eclipse.wst.common.core.search.document.SearchDocument;
import org.eclipse.wst.common.core.search.pattern.SearchPattern;
import org.eclipse.wst.xml.core.internal.search.matching.PatternMatcher;
import org.xml.sax.ErrorHandler;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
import org.xml.sax.XMLReader;
/**
*
*/
public class XMLQuickScan
{
/*
public static String getTargetNamespace(String fullFilePath)
{
XMLQuickScanContentHandler handler = new XMLQuickScanContentHandler();
parseFile(fullFilePath, handler);
return handler.getTargetNamespace();
}*/
/*
* Returns information about matches encountered based on the criteria
* provided.
*
public static boolean hasMatch(String fullFilePath, PatternMatcher matcher, SearchPattern pattern)
{
XMLQuickScanContentHandler handler = new XMLQuickScanContentHandler(matcher, pattern);
parseFile(fullFilePath, handler);
return handler.hasMatch();
}*/
public static boolean populateSearchDocument(SearchDocument document, PatternMatcher matcher, SearchPattern pattern)
{
XMLQuickScanContentHandler handler = new XMLQuickScanContentHandler(document, matcher, pattern);
parseFile(document.getPath(), handler);
return handler.hasMatch();
}
private static XMLReader reader;
private static XMLReader getOrCreateReader()
{
if (reader == null)
{
try
{
SAXParser parser = SAXParserFactory.newInstance().newSAXParser();
reader = parser.getXMLReader();
reader.setFeature("http://xml.org/sax/features/namespaces", true); //$NON-NLS-1$
reader.setErrorHandler(new InternalErrorHandler());
}
catch (Exception e)
{
}
}
return reader;
}
static class InternalErrorHandler implements ErrorHandler
{
public void error(SAXParseException exception) throws SAXException
{
}
public void fatalError(SAXParseException exception) throws SAXException
{
}
public void warning(SAXParseException exception) throws SAXException
{
}
}
private synchronized static void parseFile(String fullFilePath,
XMLQuickScanContentHandler handler)
{
FileInputStream inputStream = null;
try
{
inputStream = new FileInputStream(new File(fullFilePath));
XMLReader reader = getOrCreateReader();
reader.setContentHandler(handler);
//System.out.println("parseFile" + reader + " (" + fullFilePath + ")");
reader.parse(new InputSource(inputStream));
} catch (Exception e)
{
// skip the file
}
finally{
if(inputStream != null){
try {
inputStream.close();
} catch (IOException e) {
// can not do much
}
}
}
}
}
|
