diff options
Diffstat (limited to 'plugins/org.eclipse.osee.ote.core/src/org/eclipse/osee/ote/classserver/PathResourceFinder.java')
| -rw-r--r-- | plugins/org.eclipse.osee.ote.core/src/org/eclipse/osee/ote/classserver/PathResourceFinder.java | 257 |
1 files changed, 0 insertions, 257 deletions
diff --git a/plugins/org.eclipse.osee.ote.core/src/org/eclipse/osee/ote/classserver/PathResourceFinder.java b/plugins/org.eclipse.osee.ote.core/src/org/eclipse/osee/ote/classserver/PathResourceFinder.java deleted file mode 100644 index 0b2b1dbfe25..00000000000 --- a/plugins/org.eclipse.osee.ote.core/src/org/eclipse/osee/ote/classserver/PathResourceFinder.java +++ /dev/null @@ -1,257 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2004, 2007 Boeing. - * 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: - * Boeing - initial API and implementation - *******************************************************************************/ -package org.eclipse.osee.ote.classserver; - -import java.io.File; -import java.io.FileInputStream; -import java.io.FileNotFoundException; -import java.io.FilePermission; -import java.io.IOException; -import java.net.MalformedURLException; -import java.net.URL; -import java.util.ArrayList; -import java.util.HashMap; -import java.util.HashSet; -import java.util.Iterator; -import java.util.StringTokenizer; -import java.util.jar.Attributes; -import java.util.jar.JarEntry; -import java.util.jar.JarFile; -import java.util.jar.Manifest; -import java.util.logging.Level; -import org.eclipse.osee.framework.logging.OseeLog; - -public class PathResourceFinder extends ResourceFinder { - - private final HashSet<JarFile> jars = new HashSet<>(128); - private final HashSet<String> dirs = new HashSet<>(128); - private final HashMap<String, JarFile[]> map = new HashMap<>(128); - private final boolean trees; - private final ClassServerPermissions perm; - private static final int NUMBER_OF_FILE_READ_ATTEMPTS = 20; - - public PathResourceFinder(String[] dirsToAdd, boolean trees) { - this.trees = trees; - perm = new ClassServerPermissions(); - if (dirsToAdd != null) { - addPaths(dirsToAdd); - } - } - - @Override - public byte[] find(String path) throws IOException { - - int i = path.indexOf('/'); - if (i > 0) { - JarFile[] jfs = map.get(path.substring(0, i)); - if (jfs != null) { - String jpath = path.substring(i + 1); - for (i = 0; i < jfs.length; i++) { - JarEntry je = jfs[i].getJarEntry(jpath); - if (je != null) { - return getBytes(jfs[i].getInputStream(je), je.getSize()); - } - } - } - } - synchronized (jars) { - Iterator<JarFile> it = jars.iterator(); - while (it.hasNext()) { - JarFile jar = it.next(); - JarEntry je = jar.getJarEntry(path); - if (je != null) { - return getBytes(jar.getInputStream(je), je.getSize()); - } - } - } - boolean exists = false; - File f = null; - synchronized (dirs) { - for (int j = 0; j < NUMBER_OF_FILE_READ_ATTEMPTS; j++) { // we'll retry in case there is a - // compile going on - Iterator<String> it = dirs.iterator(); - while (it.hasNext()) { - String dirString = it.next(); - f = new File(dirString + File.separatorChar + path.replace('/', File.separatorChar)); - if (f.exists()) { - exists = true; - break; - } - } - if (!exists) { - try { - synchronized (this) { - this.wait(1000); - } - System.err.println(String.format("trying to find :%s %d", path, j)); - } catch (InterruptedException ex) { - // do nothing - } - } else { - break; - } - } - } - - if (exists && f != null) { - if (perm.implies(new FilePermission(f.getPath(), "read"))) { - try { - return getBytes(new FileInputStream(f), f.length()); - } catch (FileNotFoundException e) { - // do nothing - } - } - } - return null; - } - - public void addPaths(String[] paths) { - - for (int i = 0; i < paths.length; i++) { - String path = paths[i]; - - if (path.startsWith("file:\\")) { - path = path.substring(6); - } - - if (path.endsWith(".jar")) { - try { - synchronized (jars) { - jars.add(new JarFile(new File(path))); - } - } catch (Exception ex) { - ex.printStackTrace(); - continue; - } - } else { - if (dirs.add(path)) { - perm.add(new FilePermission(path + File.separator + '-', "read")); - } - } - - if (trees) { - File fdir = new File(path); - String[] files = fdir.list(); - if (files != null) { - try { - URL base = fdir.toURI().toURL(); - for (int j = 0; j < files.length; j++) { - String jar = files[j]; - if (jar.endsWith(".jar") || jar.endsWith(".zip")) { - ArrayList<JarFile> jfs = new ArrayList<>(10); - try { - addJar(jar, jfs, base); - map.put(jar.substring(0, jar.length() - 4), jfs.toArray(new JarFile[jfs.size()])); - } catch (IOException ex) { - ex.printStackTrace(); - } - } - } - } catch (MalformedURLException ex) { - ex.printStackTrace(); - } - } - } - } - } - - /** Add transitive Class-Path JARs to jfs. */ - private void addJar(String jar, ArrayList<JarFile> jfs, URL base) throws IOException { - base = new URL(base, jar); - jar = base.getFile().replace('/', File.separatorChar); - for (int i = jfs.size(); --i >= 0;) { - if (jar.equals(jfs.get(i).getName())) { - return; - } - } - - JarFile jf = new JarFile(jar); - jfs.add(jf); - try { - Manifest man = jf.getManifest(); - if (man == null) { - return; - } - Attributes attrs = man.getMainAttributes(); - if (attrs == null) { - return; - } - String val = attrs.getValue(Attributes.Name.CLASS_PATH); - if (val == null) { - return; - } - for (StringTokenizer st = new StringTokenizer(val); st.hasMoreTokens();) { - addJar(st.nextToken(), jfs, base); - } - } catch (IOException ex) { - jfs.remove(jf); - jf.close(); - throw ex; - } - } - - /** - * Finds the jarFile if it is being served. - * - * @param name The name of the jar file - * @return The jar represented as a File, or null if the jar was not found. - */ - public File getJarFile(String name) { - File jarFileReturn = null; - synchronized (jars) { - Iterator<JarFile> it = jars.iterator(); - while (it.hasNext()) { - JarFile jarFile = it.next(); - if (jarFile.getName().endsWith(File.separator + name)) { - jarFileReturn = new File(jarFile.getName()); - break; - } - } - } - return jarFileReturn; - } - - public void removeJarFile(String name) { - synchronized (jars) { - Iterator<JarFile> it = jars.iterator(); - while (it.hasNext()) { - JarFile jarFile = it.next(); - if (jarFile.getName().endsWith(File.separator + name)) { - try { - OseeLog.log(ClassServer.class, Level.INFO, "removing JAR file " + name); - jarFile.close(); - } catch (IOException ex) { - // do nothing - } - it.remove(); - return; - } - } - } - } - - @Override - public void dispose() { - synchronized (jars) { - OseeLog.log(ClassServer.class, Level.INFO, "disposing path resource finder's cached JAR files"); - Iterator<JarFile> it = jars.iterator(); - while (it.hasNext()) { - JarFile jarFile = it.next(); - try { - jarFile.close(); - } catch (IOException ex) { - ex.printStackTrace(); - } - } - jars.clear(); - } - } -} |