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package org.mule.util; |
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import java.io.ByteArrayOutputStream; |
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import java.io.File; |
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import java.io.FileInputStream; |
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import java.io.FileOutputStream; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.io.OutputStream; |
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import java.util.Enumeration; |
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import java.util.Iterator; |
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import java.util.LinkedHashMap; |
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import java.util.jar.JarEntry; |
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import java.util.jar.JarFile; |
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import java.util.jar.JarOutputStream; |
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import java.util.zip.ZipEntry; |
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|
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import org.apache.commons.io.IOUtils; |
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import org.apache.commons.logging.Log; |
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import org.apache.commons.logging.LogFactory; |
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|
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public final class JarUtils |
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{ |
34 | 2 | private static final Log logger = LogFactory.getLog(JarUtils.class); |
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private JarUtils() |
37 | 0 | { |
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|
39 | 0 | } |
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public static LinkedHashMap readJarFileEntries(File jarFile) throws Exception |
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{ |
43 | 4 | LinkedHashMap entries = new LinkedHashMap(); |
44 | 4 | JarFile jarFileWrapper = null; |
45 | 4 | if (jarFile != null) |
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{ |
47 | 4 | logger.debug("Reading jar entries from " + jarFile.getAbsolutePath()); |
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try |
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{ |
50 | 4 | jarFileWrapper = new JarFile(jarFile); |
51 | 4 | Enumeration iter = jarFileWrapper.entries(); |
52 | 18 | while (iter.hasMoreElements()) |
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{ |
54 | 14 | ZipEntry zipEntry = (ZipEntry) iter.nextElement(); |
55 | 14 | InputStream entryStream = jarFileWrapper.getInputStream(zipEntry); |
56 | 14 | ByteArrayOutputStream byteArrayStream = new ByteArrayOutputStream(); |
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try |
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{ |
59 | 14 | IOUtils.copy(entryStream, byteArrayStream); |
60 | 14 | entries.put(zipEntry.getName(), byteArrayStream.toByteArray()); |
61 | 14 | logger.debug("Read jar entry " + zipEntry.getName() + " from " + jarFile.getAbsolutePath()); |
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} |
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finally |
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{ |
65 | 14 | byteArrayStream.close(); |
66 | 14 | } |
67 | 14 | } |
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} |
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finally |
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{ |
71 | 4 | if (jarFileWrapper != null) |
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{ |
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try |
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{ |
75 | 4 | jarFileWrapper.close(); |
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} |
77 | 0 | catch (Exception ignore) |
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{ |
79 | 0 | logger.debug(ignore); |
80 | 4 | } |
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} |
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} |
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} |
84 | 4 | return entries; |
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} |
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|
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public static void appendJarFileEntries(File jarFile, LinkedHashMap entries) throws Exception |
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{ |
89 | 2 | if (entries != null) |
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{ |
91 | 2 | LinkedHashMap combinedEntries = readJarFileEntries(jarFile); |
92 | 2 | combinedEntries.putAll(entries); |
93 | 2 | File tmpJarFile = File.createTempFile(jarFile.getName(), null); |
94 | 2 | createJarFileEntries(tmpJarFile, combinedEntries); |
95 | 2 | jarFile.delete(); |
96 | 2 | FileUtils.renameFile(tmpJarFile, jarFile); |
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} |
98 | 2 | } |
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|
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public static void createJarFileEntries(File jarFile, LinkedHashMap entries) throws Exception |
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{ |
102 | 4 | JarOutputStream jarStream = null; |
103 | 4 | FileOutputStream fileStream = null; |
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|
105 | 4 | if (jarFile != null) |
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{ |
107 | 4 | logger.debug("Creating jar file " + jarFile.getAbsolutePath()); |
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|
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try |
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{ |
111 | 4 | fileStream = new FileOutputStream(jarFile); |
112 | 4 | jarStream = new JarOutputStream(fileStream); |
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|
114 | 4 | if (entries != null && !entries.isEmpty()) |
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{ |
116 | 4 | Iterator iter = entries.keySet().iterator(); |
117 | 18 | while (iter.hasNext()) |
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{ |
119 | 14 | String jarFilePath = (String) iter.next(); |
120 | 14 | Object content = entries.get(jarFilePath); |
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|
122 | 14 | JarEntry entry = new JarEntry(jarFilePath); |
123 | 14 | jarStream.putNextEntry(entry); |
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|
125 | 14 | logger.debug("Adding jar entry " + jarFilePath + " to " + jarFile.getAbsolutePath()); |
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|
127 | 14 | if (content instanceof String) |
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{ |
129 | 4 | writeJarEntry(jarStream, ((String) content).getBytes()); |
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} |
131 | 10 | else if (content instanceof byte[]) |
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{ |
133 | 8 | writeJarEntry(jarStream, (byte[]) content); |
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} |
135 | 2 | else if (content instanceof File) |
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{ |
137 | 2 | writeJarEntry(jarStream, (File) content); |
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} |
139 | 14 | } |
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} |
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|
142 | 4 | jarStream.flush(); |
143 | 4 | fileStream.getFD().sync(); |
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} |
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finally |
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{ |
147 | 4 | if (jarStream != null) |
148 | |
{ |
149 | |
try |
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{ |
151 | 4 | jarStream.close(); |
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} |
153 | 0 | catch (Exception jarNotClosed) |
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{ |
155 | 0 | logger.debug(jarNotClosed); |
156 | 4 | } |
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} |
158 | 4 | if (fileStream != null) |
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{ |
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try |
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{ |
162 | 4 | fileStream.close(); |
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} |
164 | 0 | catch (Exception fileNotClosed) |
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{ |
166 | 0 | logger.debug(fileNotClosed); |
167 | 4 | } |
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} |
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} |
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} |
171 | 4 | } |
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|
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private static void writeJarEntry(OutputStream stream, byte[] entry) throws IOException |
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{ |
175 | 12 | stream.write(entry, 0, entry.length); |
176 | 12 | } |
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|
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private static void writeJarEntry(OutputStream stream, File entry) throws IOException |
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{ |
180 | 2 | FileInputStream fileContentStream = null; |
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try |
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{ |
183 | 2 | fileContentStream = new FileInputStream(entry); |
184 | 2 | IOUtils.copy(fileContentStream, stream); |
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} |
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finally |
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{ |
188 | 2 | if (fileContentStream != null) |
189 | |
{ |
190 | |
try |
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{ |
192 | 2 | fileContentStream.close(); |
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} |
194 | 0 | catch (Exception fileContentNotClosed) |
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{ |
196 | 0 | logger.debug(fileContentNotClosed); |
197 | 2 | } |
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} |
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} |
200 | 2 | } |
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} |