| Clover coverage report - Cactus 1.8dev for J2EE API 1.3 |
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| 30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover | |||||||||||||||||||
| Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
| ResourceUtils.java | 16.7% | 23.1% | 50% | 22.5% |
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/*
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* ========================================================================
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*
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* Copyright 2003 The Apache Software Foundation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* ========================================================================
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*/
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package org.apache.cactus.integration.ant.util;
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import java.io.BufferedReader;
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import java.io.BufferedWriter;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.io.OutputStream;
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import java.net.URL;
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import java.net.URLDecoder;
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import java.util.Vector;
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import org.apache.tools.ant.Project;
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import org.apache.tools.ant.filters.util.ChainReaderHelper;
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import org.apache.tools.ant.types.FilterChain;
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/**
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* Utility class that provides a couple of methods for extracting files stored
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* as resource in a JAR.
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*
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* @version $Id: ResourceUtils.java 238812 2004-02-29 10:21:34Z vmassol $
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*/
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public final class ResourceUtils |
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{
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// Constructors ------------------------------------------------------------
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/**
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* Private constructor to ensure static usage.
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*/
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| 53 | 0 |
private ResourceUtils()
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{
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} |
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// Public Static Methods ---------------------------------------------------
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/**
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* Copies a container resource from the JAR into the specified file.
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*
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* @param theProject The Ant project
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* @param theResourceName The name of the resource, relative to the
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* org.apache.cactus.integration.ant.container package
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* @param theDestFile The file to which the contents of the resource should
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* be copied
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* @throws IOException If an I/O error occurs while copying the resource
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*/
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public static void copyResource(Project theProject, String theResourceName, |
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File theDestFile) |
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throws IOException
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{
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InputStream in = |
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ResourceUtils.class.getResourceAsStream(theResourceName);
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if (in == null) |
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{
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throw new IOException("Resource '" + theResourceName |
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+ "' not found");
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} |
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| 81 | 0 |
OutputStream out = null;
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| 82 | 0 |
try
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{
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out = new FileOutputStream(theDestFile);
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| 86 | 0 |
byte buf[] = new byte[4096]; |
| 87 | 0 |
int numBytes = 0;
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| 88 | 0 |
while ((numBytes = in.read(buf)) > 0)
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{
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| 90 | 0 |
out.write(buf, 0, numBytes); |
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} |
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} |
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finally
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{
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| 95 | 0 |
if (in != null) |
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{
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| 97 | 0 |
in.close(); |
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} |
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| 99 | 0 |
if (out != null) |
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{
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out.close(); |
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} |
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} |
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} |
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/**
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* Copies a container resource from the JAR into the specified file, thereby
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* applying the specified filters.
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*
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* @param theProject The Ant project
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* @param theResourceName The name of the resource, relative to the
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* org.apache.cactus.integration.ant.container package
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* @param theDestFile The file to which the contents of the resource should
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* be copied
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* @param theFilterChain The ordered list of filter readers that should be
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* applied while copying
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* @throws IOException If an I/O error occurs while copying the resource
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*/
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| 119 | 0 |
public static void copyResource(Project theProject, String theResourceName, |
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File theDestFile, FilterChain theFilterChain) |
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throws IOException
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{
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| 123 | 0 |
InputStream resource = |
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ResourceUtils.class.getResourceAsStream(theResourceName);
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| 125 | 0 |
if (resource == null) |
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{
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| 127 | 0 |
throw new IOException("Resource '" + theResourceName |
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+ "' not found");
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} |
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| 131 | 0 |
BufferedReader in = null;
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| 132 | 0 |
BufferedWriter out = null;
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| 133 | 0 |
try
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{
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| 135 | 0 |
ChainReaderHelper helper = new ChainReaderHelper();
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| 136 | 0 |
helper.setBufferSize(8192); |
| 137 | 0 |
helper.setPrimaryReader(new BufferedReader(
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new InputStreamReader(resource)));
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| 139 | 0 |
Vector filterChains = new Vector();
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| 140 | 0 |
filterChains.add(theFilterChain); |
| 141 | 0 |
helper.setFilterChains(filterChains); |
| 142 | 0 |
helper.setProject(theProject); |
| 143 | 0 |
in = new BufferedReader(helper.getAssembledReader());
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| 145 | 0 |
out = new BufferedWriter(new FileWriter(theDestFile)); |
| 146 |
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| 147 | 0 |
String line = null;
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| 148 | 0 |
while ((line = in.readLine()) != null) |
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{
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| 150 | 0 |
if (line.length() == 0)
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{
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| 152 | 0 |
out.newLine(); |
| 153 |
} |
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else
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{
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| 156 | 0 |
out.write(line); |
| 157 | 0 |
out.newLine(); |
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} |
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} |
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} |
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finally
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{
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| 163 | 0 |
if (in != null) |
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{
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| 165 | 0 |
in.close(); |
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} |
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| 167 | 0 |
if (out != null) |
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{
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| 169 | 0 |
out.close(); |
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} |
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} |
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} |
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/**
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* Search for the given resource and return the directory or archive
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| 176 |
* that contains it.
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| 177 |
*
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| 178 |
* <p>Doesn't work for archives in JDK 1.1 as the URL returned by
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| 179 |
* getResource doesn't contain the name of the archive.</p>
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| 180 |
*
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| 181 |
* @param theResourceName The name of the resource
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| 182 |
* @return The directory or archive containing the specified resource
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| 183 |
*/
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| 184 | 105 |
public static File getResourceLocation(String theResourceName) |
| 185 |
{
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| 186 | 105 |
File file = null;
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| 187 | 105 |
URL url = ResourceUtils.class.getResource(theResourceName);
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| 188 | 105 |
if (url != null) |
| 189 |
{
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| 190 | 42 |
String urlString = url.toString(); |
| 191 | 42 |
if (urlString.startsWith("jar:file:")) |
| 192 |
{
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| 193 | 42 |
int pling = urlString.indexOf("!"); |
| 194 | 42 |
String jar = urlString.substring(9, pling); |
| 195 | 42 |
file = new File(URLDecoder.decode(jar));
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| 196 |
} |
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| 197 | 0 |
else if (urlString.startsWith("file:")) |
| 198 |
{
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| 199 | 0 |
int tail = urlString.indexOf(theResourceName);
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| 200 | 0 |
String dir = urlString.substring(5, tail); |
| 201 | 0 |
file = new File(URLDecoder.decode(dir));
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| 202 |
} |
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| 203 |
} |
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| 204 | 105 |
return file;
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} |
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} |
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