--- /dev/null
+/*******************************************************************************
+ * Copyright (c) 2000, 2001, 2002 International Business Machines Corp. and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Common Public License v0.5
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v05.html
+ *
+ * Contributors:
+ * IBM Corporation - initial API and implementation
+ ******************************************************************************/
+package net.sourceforge.phpdt.internal.compiler.util;
+
+import java.io.BufferedInputStream;
+import java.io.ByteArrayInputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.util.Locale;
+import java.util.MissingResourceException;
+import java.util.ResourceBundle;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipFile;
+
+public class Util {
+
+ public static String LINE_SEPARATOR = System.getProperty("line.separator"); //$NON-NLS-1$
+ public static char[] LINE_SEPARATOR_CHARS = LINE_SEPARATOR.toCharArray();
+ public final static char[] SUFFIX_class = ".class".toCharArray(); //$NON-NLS-1$
+ public final static char[] SUFFIX_CLASS = ".CLASS".toCharArray(); //$NON-NLS-1$
+ public final static char[] SUFFIX_java = ".java".toCharArray(); //$NON-NLS-1$
+ public final static char[] SUFFIX_JAVA = ".JAVA".toCharArray(); //$NON-NLS-1$
+ public final static char[] SUFFIX_jar = ".jar".toCharArray(); //$NON-NLS-1$
+ public final static char[] SUFFIX_JAR = ".JAR".toCharArray(); //$NON-NLS-1$
+ public final static char[] SUFFIX_zip = ".zip".toCharArray(); //$NON-NLS-1$
+ public final static char[] SUFFIX_ZIP = ".ZIP".toCharArray(); //$NON-NLS-1$
+
+ private final static char[] DOUBLE_QUOTES = "''".toCharArray(); //$NON-NLS-1$
+ private final static char[] SINGLE_QUOTE = "'".toCharArray(); //$NON-NLS-1$
+
+ /* Bundle containing messages */
+ protected static ResourceBundle bundle;
+ private final static String bundleName =
+ "org.eclipse.jdt.internal.compiler.util.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() {
+ bundle = ResourceBundle.getBundle(bundleName, Locale.getDefault());
+ }
+ /**
+ * Returns the given bytes as a char array using a given encoding (null means platform default).
+ */
+ public static char[] bytesToChar(byte[] bytes, String encoding) throws IOException {
+
+ return getInputStreamAsCharArray(new ByteArrayInputStream(bytes), bytes.length, encoding);
+
+ }
+ /**
+ * 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);
+ } 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 bytesRead = -1;
+ do {
+ int available = stream.available();
+
+ // resize contents if needed
+ if (contentsLength + available > contents.length) {
+ System.arraycopy(
+ contents,
+ 0,
+ contents = new byte[contentsLength + available],
+ 0,
+ contentsLength);
+ }
+
+ // read as many bytes as possible
+ bytesRead = stream.read(contents, contentsLength, available);
+
+ if (bytesRead > 0) {
+ // remember length of contents
+ contentsLength += bytesRead;
+ }
+ } while (bytesRead > 0);
+
+ // 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 = new char[0];
+ int contentsLength = 0;
+ int charsRead = -1;
+ do {
+ int available = stream.available();
+
+ // resize contents if needed
+ if (contentsLength + available > contents.length) {
+ System.arraycopy(
+ contents,
+ 0,
+ contents = new char[contentsLength + available],
+ 0,
+ contentsLength);
+ }
+
+ // read as many chars as possible
+ charsRead = reader.read(contents, contentsLength, available);
+
+ if (charsRead > 0) {
+ // remember length of contents
+ contentsLength += charsRead;
+ }
+ } while (charsRead > 0);
+
+ // 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;
+ }
+
+ /**
+ * Returns the contents of the given zip entry as a byte array.
+ * @throws IOException if a problem occured reading the zip entry.
+ */
+ public static byte[] getZipEntryByteContent(ZipEntry ze, ZipFile zip)
+ throws IOException {
+
+ InputStream stream = null;
+ try {
+ stream = new BufferedInputStream(zip.getInputStream(ze));
+ return getInputStreamAsByteArray(stream, (int) ze.getSize());
+ } finally {
+ if (stream != null) {
+ try {
+ stream.close();
+ } catch (IOException e) {
+ }
+ }
+ }
+ }
+ /**
+ * Returns true iff str.toLowerCase().endsWith(".jar") || str.toLowerCase().endsWith(".zip")
+ * implementation is not creating extra strings.
+ */
+ public final static boolean isArchiveFileName(String name) {
+ int nameLength = name == null ? 0 : name.length();
+ int suffixLength = SUFFIX_JAR.length;
+ if (nameLength < suffixLength) return false;
+
+ // try to match as JAR file
+ for (int i = 0; i < suffixLength; i++) {
+ char c = name.charAt(nameLength - i - 1);
+ int suffixIndex = suffixLength - i - 1;
+ if (c != SUFFIX_jar[suffixIndex] && c != SUFFIX_JAR[suffixIndex]) {
+
+ // try to match as ZIP file
+ suffixLength = SUFFIX_ZIP.length;
+ if (nameLength < suffixLength) return false;
+ for (int j = 0; j < suffixLength; j++) {
+ c = name.charAt(nameLength - j - 1);
+ suffixIndex = suffixLength - j - 1;
+ if (c != SUFFIX_zip[suffixIndex] && c != SUFFIX_ZIP[suffixIndex]) return false;
+ }
+ return true;
+ }
+ }
+ return true;
+ }
+ /**
+ * Returns true iff str.toLowerCase().endsWith(".class")
+ * implementation is not creating extra strings.
+ */
+ public final static boolean isClassFileName(String name) {
+ int nameLength = name == null ? 0 : name.length();
+ int suffixLength = SUFFIX_CLASS.length;
+ if (nameLength < suffixLength) return false;
+
+ for (int i = 0; i < suffixLength; i++) {
+ char c = name.charAt(nameLength - i - 1);
+ int suffixIndex = suffixLength - i - 1;
+ if (c != SUFFIX_class[suffixIndex] && c != SUFFIX_CLASS[suffixIndex]) return false;
+ }
+ return true;
+ }
+ /**
+ * Returns true iff str.toLowerCase().endsWith(".java")
+ * implementation is not creating extra strings.
+ */
+ public final static boolean isJavaFileName(String name) {
+ int nameLength = name == null ? 0 : name.length();
+ int suffixLength = SUFFIX_JAVA.length;
+ if (nameLength < suffixLength) return false;
+
+ for (int i = 0; i < suffixLength; i++) {
+ char c = name.charAt(nameLength - i - 1);
+ int suffixIndex = suffixLength - i - 1;
+ if (c != SUFFIX_java[suffixIndex] && c != SUFFIX_JAVA[suffixIndex]) return false;
+ }
+ return true;
+ }
+}
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