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package net.sf.tlc.core.impl; |
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import java.io.File; |
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import java.io.FileInputStream; |
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import java.io.IOException; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.logging.Level; |
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import java.util.logging.Logger; |
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import net.sf.tlc.core.PropertyManager; |
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import net.sf.tlc.core.TargetFinder; |
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import net.sf.tlc.model.Target; |
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import net.sf.tlc.util.ClassPathUtils; |
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public class DefaultFinder implements TargetFinder { |
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private static final Logger logger = Logger.getLogger(DefaultFinder.class.getName()); |
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private static final String DEFAULT_TARGET_DIR = "targets"; |
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private static final String TLC_TARGET_DIR_KEY = "tlc.target.dir"; |
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private final File targetPath; |
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private final ClassLoader cl; |
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public DefaultFinder(final ClassLoader cl, class="keyword">final PropertyManager pm) { |
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this.cl = cl; |
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this.targetPath = new File(pm.getProperty(TLC_TARGET_DIR_KEY, DEFAULT_TARGET_DIR)); |
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} |
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public final Target[] listTargets() { |
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final ArrayList results = new ArrayList(); |
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if (targetPath.isDirectory() && targetPath.exists() && targetPath.canRead()) { |
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final File[] files = targetPath.listFiles(); |
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for (int i = 0; i < files.length; ++i) { |
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final File file = files[i]; |
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if (file.isFile() && file.canRead()) { |
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final String fileName = file.getAbsolutePath(); |
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if (fileName.endsWith(".jar")) { |
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results.addAll(Arrays.asList(inspectJar(file))); |
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} else if (fileName.endsWith(".class")) { |
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final Target target = checkIfTargetClass(file); |
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if (null != target) { |
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results.add(target); |
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} |
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} |
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} |
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} |
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} |
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return (Target[]) results.toArray(new Target[0]); |
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} |
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private Target[] inspectJar(final File file) { |
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final ArrayList targets = new ArrayList(); |
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try { |
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final Target[] jarTargets = JarInspector.listTargets(file); |
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for (int i = 0; i < jarTargets.length; ++i) { |
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try { |
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final Class c = cl.loadClass(jarTargets[i].getName()); |
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if (FinderHelper.isTargetClass(c)) { |
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targets.add(jarTargets[i]); |
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} |
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} catch (ClassNotFoundException e) { |
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logger.log(Level.WARNING, "ClassNotFoundException on " + jarTargets[i].getName(), e); |
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} |
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} |
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} catch (IOException e) { |
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logger.log(Level.SEVERE, "IOException on \"" + file.getAbsolutePath() + "\"", e); |
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} |
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return (Target[]) targets.toArray(new Target[0]); |
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} |
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private Target checkIfTargetClass(final File classFile) { |
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Target result = null; |
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FileInputStream is = null; |
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try { |
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is = new FileInputStream(classFile); |
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final String classFilename = classFile.getName(); |
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System.out.println("attempting to load \"" + classFilename + "\""); |
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final String className = ClassPathUtils.toClassName(targetPath.getAbsolutePath(), classFile |
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.getAbsolutePath()); |
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final Class loadedClass = cl.loadClass(className); |
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if (FinderHelper.isTargetClass(loadedClass)) { |
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result = new Target(Target.TARGET_IS_CLASS, targetPath.getAbsolutePath(), className); |
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} |
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} catch (NoClassDefFoundError e) { |
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logger.log(Level.WARNING, "NoClassDefFoundError inspecting " + classFile.getAbsolutePath(), e); |
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} catch (ClassNotFoundException e) { |
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logger.log(Level.WARNING, "ClassNotFoundException inspecting " + classFile.getAbsolutePath(), e); |
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} catch (IOException e) { |
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logger.log(Level.WARNING, "IOException inspecting " + classFile.getAbsolutePath(), e); |
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} finally { |
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if (null != is) { |
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try { |
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is.close(); |
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} catch (IOException e) { |
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logger.log(Level.SEVERE, "IOException closing InputStream", e); |
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} |
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} |
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} |
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return result; |
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} |
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} |