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Diffstat (limited to 'core/org.eclipse.cdt.core/index/org/eclipse/cdt/internal/core/Util.java')
| -rw-r--r-- | core/org.eclipse.cdt.core/index/org/eclipse/cdt/internal/core/Util.java | 371 |
1 files changed, 0 insertions, 371 deletions
diff --git a/core/org.eclipse.cdt.core/index/org/eclipse/cdt/internal/core/Util.java b/core/org.eclipse.cdt.core/index/org/eclipse/cdt/internal/core/Util.java deleted file mode 100644 index e888b172072..00000000000 --- a/core/org.eclipse.cdt.core/index/org/eclipse/cdt/internal/core/Util.java +++ /dev/null @@ -1,371 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2004 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Common Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/cpl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.cdt.internal.core; - -import java.io.BufferedInputStream; -import java.io.File; -import java.io.FileInputStream; -import java.io.IOException; -import java.io.InputStream; -import java.io.InputStreamReader; -import java.util.HashSet; -import java.util.Locale; -import java.util.MissingResourceException; -import java.util.ResourceBundle; - -import org.eclipse.core.resources.IContainer; -import org.eclipse.core.resources.IResource; -import org.eclipse.core.runtime.IPath; - -public class Util { - - private final static char[] DOUBLE_QUOTES = "''".toCharArray(); //$NON-NLS-1$ - private final static char[] SINGLE_QUOTE = "'".toCharArray(); //$NON-NLS-1$ - private static final int DEFAULT_READING_SIZE = 8192; - - /* Bundle containing messages */ - protected static ResourceBundle bundle; - private final static String bundleName = "org.eclipse.cdt.internal.core.messages"; //$NON-NLS-1$ - static { - relocalize(); - } - /** - * Lookup the message with the given ID in this catalog and bind its - * substitution locations with the given strings. - */ - public static String bind(String id, String binding1, String binding2) { - return bind(id, new String[] {binding1, binding2}); - } - /** - * Lookup the message with the given ID in this catalog and bind its - * substitution locations with the given string. - */ - public static String bind(String id, String binding) { - return bind(id, new String[] {binding}); - } - /** - * Lookup the message with the given ID in this catalog and bind its - * substitution locations with the given string values. - */ - public static String bind(String id, String[] bindings) { - if (id == null) - return "No message available"; //$NON-NLS-1$ - String message = null; - try { - message = bundle.getString(id); - } catch (MissingResourceException e) { - // If we got an exception looking for the message, fail gracefully by just returning - // the id we were looking for. In most cases this is semi-informative so is not too bad. - return "Missing message: " + id + " in: " + bundleName; //$NON-NLS-2$ //$NON-NLS-1$ - } - // for compatibility with MessageFormat which eliminates double quotes in original message - char[] messageWithNoDoubleQuotes = - CharOperation.replace(message.toCharArray(), DOUBLE_QUOTES, SINGLE_QUOTE); - message = new String(messageWithNoDoubleQuotes); - - if (bindings == null) - return message; - int length = message.length(); - int start = -1; - int end = length; - StringBuffer output = new StringBuffer(80); - while (true) { - if ((end = message.indexOf('{', start)) > -1) { - output.append(message.substring(start + 1, end)); - if ((start = message.indexOf('}', end)) > -1) { - int index = -1; - try { - index = Integer.parseInt(message.substring(end + 1, start)); - output.append(bindings[index]); - } catch (NumberFormatException nfe) { - output.append(message.substring(end + 1, start + 1)); - } catch (ArrayIndexOutOfBoundsException e) { - output.append("{missing " + Integer.toString(index) + "}"); //$NON-NLS-2$ //$NON-NLS-1$ - } - } else { - output.append(message.substring(end, length)); - break; - } - } else { - output.append(message.substring(start + 1, length)); - break; - } - } - return output.toString(); - } - /** - * Lookup the message with the given ID in this catalog - */ - public static String bind(String id) { - return bind(id, (String[])null); - } - /** - * Creates a NLS catalog for the given locale. - */ - public static void relocalize() { - try { - bundle = ResourceBundle.getBundle(bundleName, Locale.getDefault()); - } catch(MissingResourceException e) { - System.out.println("Missing resource : " + bundleName.replace('.', '/') + ".properties for locale " + Locale.getDefault()); //$NON-NLS-1$//$NON-NLS-2$ - throw e; - } - } - - /** - * Returns the contents of the given file as a byte array. - * @throws IOException if a problem occured reading the file. - */ - public static byte[] getFileByteContent(File file) throws IOException { - InputStream stream = null; - try { - stream = new BufferedInputStream(new FileInputStream(file)); - return getInputStreamAsByteArray(stream, (int) file.length()); - } finally { - if (stream != null) { - try { - stream.close(); - } catch (IOException e) { - } - } - } - } - /** - * Returns the contents of the given file as a char array. - * When encoding is null, then the platform default one is used - * @throws IOException if a problem occured reading the file. - */ - public static char[] getFileCharContent(File file, String encoding) throws IOException { - InputStream stream = null; - try { - stream = new BufferedInputStream(new FileInputStream(file)); - return Util.getInputStreamAsCharArray(stream, (int) file.length(), encoding); - } - catch (OutOfMemoryError er){ - return null; - } - finally { - if (stream != null) { - try { - stream.close(); - } catch (IOException e) { - } - } - } - } - - /** - * Returns the given input stream's contents as a byte array. - * If a length is specified (ie. if length != -1), only length bytes - * are returned. Otherwise all bytes in the stream are returned. - * Note this doesn't close the stream. - * @throws IOException if a problem occured reading the stream. - */ - public static byte[] getInputStreamAsByteArray(InputStream stream, int length) - throws IOException { - byte[] contents; - if (length == -1) { - contents = new byte[0]; - int contentsLength = 0; - int amountRead = -1; - do { - int amountRequested = Math.max(stream.available(), DEFAULT_READING_SIZE); // read at least 8K - - // resize contents if needed - if (contentsLength + amountRequested > contents.length) { - System.arraycopy( - contents, - 0, - contents = new byte[contentsLength + amountRequested], - 0, - contentsLength); - } - - // read as many bytes as possible - amountRead = stream.read(contents, contentsLength, amountRequested); - - if (amountRead > 0) { - // remember length of contents - contentsLength += amountRead; - } - } while (amountRead != -1); - - // resize contents if necessary - if (contentsLength < contents.length) { - System.arraycopy( - contents, - 0, - contents = new byte[contentsLength], - 0, - contentsLength); - } - } else { - contents = new byte[length]; - int len = 0; - int readSize = 0; - while ((readSize != -1) && (len != length)) { - // See PR 1FMS89U - // We record first the read size. In this case len is the actual read size. - len += readSize; - readSize = stream.read(contents, len, length - len); - } - } - - return contents; - } - - /** - * Returns the given input stream's contents as a character array. - * If a length is specified (ie. if length != -1), only length chars - * are returned. Otherwise all chars in the stream are returned. - * Note this doesn't close the stream. - * @throws IOException if a problem occured reading the stream. - */ - public static char[] getInputStreamAsCharArray(InputStream stream, int length, String encoding) - throws IOException { - InputStreamReader reader = null; - reader = encoding == null - ? new InputStreamReader(stream) - : new InputStreamReader(stream, encoding); - char[] contents; - if (length == -1) { - contents = CharOperation.NO_CHAR; - int contentsLength = 0; - int amountRead = -1; - do { - int amountRequested = Math.max(stream.available(), DEFAULT_READING_SIZE); // read at least 8K - - // resize contents if needed - if (contentsLength + amountRequested > contents.length) { - System.arraycopy( - contents, - 0, - contents = new char[contentsLength + amountRequested], - 0, - contentsLength); - } - - // read as many chars as possible - amountRead = reader.read(contents, contentsLength, amountRequested); - - if (amountRead > 0) { - // remember length of contents - contentsLength += amountRead; - } - } while (amountRead != -1); - - // resize contents if necessary - if (contentsLength < contents.length) { - System.arraycopy( - contents, - 0, - contents = new char[contentsLength], - 0, - contentsLength); - } - } else { - contents = new char[length]; - int len = 0; - int readSize = 0; - while ((readSize != -1) && (len != length)) { - // See PR 1FMS89U - // We record first the read size. In this case len is the actual read size. - len += readSize; - readSize = reader.read(contents, len, length - len); - } - // See PR 1FMS89U - // Now we need to resize in case the default encoding used more than one byte for each - // character - if (len != length) - System.arraycopy(contents, 0, (contents = new char[len]), 0, len); - } - - return contents; - } - - - /** - * Helper method - returns the targeted item (IResource if internal or java.io.File if external), - * or null if unbound - * Internal items must be referred to using container relative paths. - */ - public static Object getTarget(IContainer container, IPath path, boolean checkResourceExistence) { - - if (path == null) return null; - - // lookup - inside the container - if (path.getDevice() == null) { // container relative paths should not contain a device - // (see http://dev.eclipse.org/bugs/show_bug.cgi?id=18684) - // (case of a workspace rooted at d:\ ) - IResource resource = container.findMember(path); - if (resource != null){ - if (!checkResourceExistence ||resource.exists()) return resource; - return null; - } - } - - // if path is relative, it cannot be an external path - // (see http://dev.eclipse.org/bugs/show_bug.cgi?id=22517) - if (!path.isAbsolute()) return null; - - // lookup - outside the container - File externalFile = new File(path.toOSString()); - if (!checkResourceExistence) { - return externalFile; - } else if (existingExternalFiles.contains(externalFile)) { - return externalFile; - } else { - if (externalFile.exists()) { - // cache external file - existingExternalFiles.add(externalFile); - return externalFile; - } - } - - return null; - } - /** - * A set of java.io.Files used as a cache of external jars that - * are known to be existing. - * Note this cache is kept for the whole session. - */ - public static HashSet existingExternalFiles = new HashSet(); - - /* - * Returns whether the given resource matches one of the exclusion patterns. - * - * @see IClasspathEntry#getExclusionPatterns - */ - public final static boolean isExcluded(IResource resource, char[][] exclusionPatterns) { - IPath path = resource.getFullPath(); - // ensure that folders are only excluded if all of their children are excluded - if (resource.getType() == IResource.FOLDER) - path = path.append("*"); //$NON-NLS-1$ - return isExcluded(path, exclusionPatterns); - } - - /* - * Returns whether the given resource path matches one of the exclusion - * patterns. - * - * @see IClasspathEntry#getExclusionPatterns - */ - public final static boolean isExcluded(IPath resourcePath, char[][] exclusionPatterns) { - if (exclusionPatterns == null) return false; - char[] path = resourcePath.toString().toCharArray(); - for (int i = 0, length = exclusionPatterns.length; i < length; i++) - if (CharOperation.pathMatch(exclusionPatterns[i], path, true, '/')) - return true; - return false; - } - -} - - |