/*
* JBoss, Home of Professional Open Source
* Copyright 2010, Red Hat, Inc., and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.cdi.tck.shrinkwrap;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import org.jboss.shrinkwrap.api.ArchivePath;
import org.jboss.shrinkwrap.api.asset.Asset;
import org.jboss.shrinkwrap.impl.base.path.BasicPath;
/**
*
* @author <a href="mailto:aslak@conduct.no">Aslak Knutsen</a>
* @author Martin Kouba
*/
public final class AssetUtil {
/**
* The delimiter used for classes.
*/
public static final String DELIMITER_CLASS_NAME_PATH = "\\.";
/**
* The delimiter used for classes represented in resource form.
*/
public static final String DELIMITER_RESOURCE_PATH = "/";
/**
* Extension applied to .class files
*/
private static final String EXTENSION_CLASS = ".class";
private static final String LINE_SEPARATOR = System.getProperty("line.separator");
/**
* No instance.
*/
private AssetUtil() {
}
/**
* Taken from the ShrinkWrap impl.
*
* Helper to extract a ClassResources full path. <br/>
* <br/>
* ie: package.MyClass = package/MyClass.class
*
* @param clazz
* @return
*/
public static ArchivePath getFullPathForClassResource(Class<?> clazz) {
String classResourceDelimiter = clazz.getName().replaceAll(DELIMITER_CLASS_NAME_PATH, DELIMITER_RESOURCE_PATH);
String classFullPath = classResourceDelimiter + EXTENSION_CLASS;
return new BasicPath(classFullPath);
}
/**
* Taken from the ShrinkWrap impl.
*
* Helper to extract a ClassResources full path. <br/>
* <br/>
*
* ie: package.MyClass = package/MyClass.class
*
* @param className
* @return
*/
public static ArchivePath getFullPathForClassResource(String className) {
String classResourceDelimiter = className.replaceAll(DELIMITER_CLASS_NAME_PATH, DELIMITER_RESOURCE_PATH);
String classFullPath = classResourceDelimiter + EXTENSION_CLASS;
return new BasicPath(classFullPath);
}
/**
* Doesn't guarantee line terminators to be preserved.
*
* @param asset
* @return the contents of the specified asset as a String in UTF-8 charset
*/
public static String readAssetContent(Asset asset) {
if (asset == null) {
throw new NullPointerException();
}
InputStream in = asset.openStream();
if (in == null) {
return null;
}
try {
StringBuilder content = new StringBuilder();
BufferedReader reader = new BufferedReader(new InputStreamReader(in, "UTF-8"));
String line = reader.readLine();
while (line != null) {
content.append(line);
content.append(LINE_SEPARATOR);
line = reader.readLine();
}
return content.toString();
} catch (IOException ioe) {
throw new RuntimeException("Cannot read string from " + asset, ioe);
} finally {
try {
if (in != null) {
in.close();
}
} catch (IOException ioe) {
throw new RuntimeException("Cannot not close input stream from " + asset, ioe);
}
}
}
}