+++ /dev/null
-/*******************************************************************************
- * 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.jdt.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;
-import org.eclipse.jdt.core.compiler.CharOperation;
-
-public class Util implements SuffixConstants {
-
- public interface Displayable {
- String displayString(Object o);
- }
-
- public static String LINE_SEPARATOR = System.getProperty("line.separator"); //$NON-NLS-1$
- public static char[] LINE_SEPARATOR_CHARS = LINE_SEPARATOR.toCharArray();
-
- 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.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);
-
- if (bindings == null) return new String(messageWithNoDoubleQuotes);
-
- int length = messageWithNoDoubleQuotes.length;
- int start = 0;
- int end = length;
- StringBuffer output = null;
- while (true) {
- if ((end = CharOperation.indexOf('{', messageWithNoDoubleQuotes, start)) > -1) {
- if (output == null) output = new StringBuffer(length+bindings.length*20);
- output.append(messageWithNoDoubleQuotes, start, end - start);
- if ((start = CharOperation.indexOf('}', messageWithNoDoubleQuotes, end + 1)) > -1) {
- int index = -1;
- String argId = new String(messageWithNoDoubleQuotes, end + 1, start - end - 1);
- try {
- index = Integer.parseInt(argId);
- output.append(bindings[index]);
- } catch (NumberFormatException nfe) { // could be nested message ID {compiler.name}
- boolean done = false;
- if (!id.equals(argId)) {
- String argMessage = null;
- try {
- argMessage = bundle.getString(argId);
- output.append(argMessage);
- done = true;
- } catch (MissingResourceException e) {
- // unable to bind argument, ignore (will leave argument in)
- }
- }
- if (!done) output.append(messageWithNoDoubleQuotes, end + 1, start - end);
- } catch (ArrayIndexOutOfBoundsException e) {
- output.append("{missing " + Integer.toString(index) + "}"); //$NON-NLS-2$ //$NON-NLS-1$
- }
- start++;
- } else {
- output.append(messageWithNoDoubleQuotes, end, length);
- break;
- }
- } else {
- if (output == null) return new String(messageWithNoDoubleQuotes);
- output.append(messageWithNoDoubleQuotes, start, length - start);
- 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 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) {
- // ignore
- }
- }
- }
- }
- /**
- * 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 getInputStreamAsCharArray(stream, (int) file.length(), encoding);
- } finally {
- if (stream != null) {
- try {
- stream.close();
- } catch (IOException e) {
- // ignore
- }
- }
- }
- }
- /*
- * NIO support to get input stream as byte array.
- * Not used as with JDK 1.4.2 this support is slower than standard IO one...
- * Keep it as comment for future in case of next JDK versions improve performance
- * in this area...
- *
- public static byte[] getInputStreamAsByteArray(FileInputStream stream, int length)
- throws IOException {
-
- FileChannel channel = stream.getChannel();
- int size = (int)channel.size();
- if (length >= 0 && length < size) size = length;
- byte[] contents = new byte[size];
- ByteBuffer buffer = ByteBuffer.wrap(contents);
- channel.read(buffer);
- return contents;
- }
- */
- /**
- * 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;
- }
- /*
- * NIO support to get input stream as char array.
- * Not used as with JDK 1.4.2 this support is slower than standard IO one...
- * Keep it as comment for future in case of next JDK versions improve performance
- * in this area...
- public static char[] getInputStreamAsCharArray(FileInputStream stream, int length, String encoding)
- throws IOException {
-
- FileChannel channel = stream.getChannel();
- int size = (int)channel.size();
- if (length >= 0 && length < size) size = length;
- Charset charset = encoding==null?systemCharset:Charset.forName(encoding);
- if (charset != null) {
- MappedByteBuffer bbuffer = channel.map(FileChannel.MapMode.READ_ONLY, 0, size);
- CharsetDecoder decoder = charset.newDecoder();
- CharBuffer buffer = decoder.decode(bbuffer);
- char[] contents = new char[buffer.limit()];
- buffer.get(contents);
- return contents;
- }
- throw new UnsupportedCharsetException(SYSTEM_FILE_ENCODING);
- }
- */
- /**
- * 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);
-
- // Do not keep first character for UTF-8 BOM encoding
- int start = 0;
- if (contentsLength > 0 && "UTF-8".equals(encoding)) { //$NON-NLS-1$
- if (contents[0] == 0xFEFF) { // if BOM char then skip
- contentsLength--;
- start = 1;
- }
- }
- // resize contents if necessary
- if (contentsLength < contents.length) {
- System.arraycopy(
- contents,
- start,
- 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);
- }
- // Do not keep first character for UTF-8 BOM encoding
- int start = 0;
- if (length > 0 && "UTF-8".equals(encoding)) { //$NON-NLS-1$
- if (contents[0] == 0xFEFF) { // if BOM char then skip
- len--;
- start = 1;
- }
- }
- // 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, start, (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) {
- // ignore
- }
- }
- }
- }
- /**
- * 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(".class")
- * implementation is not creating extra strings.
- */
- public final static boolean isClassFileName(char[] name) {
- int nameLength = name == null ? 0 : name.length;
- int suffixLength = SUFFIX_CLASS.length;
- if (nameLength < suffixLength) return false;
-
- for (int i = 0, offset = nameLength - suffixLength; i < suffixLength; i++) {
- char c = name[offset + i];
- if (c != SUFFIX_class[i] && c != SUFFIX_CLASS[i]) 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;
- }
- /**
- * Returns true iff str.toLowerCase().endsWith(".java")
- * implementation is not creating extra strings.
- */
- public final static boolean isJavaFileName(char[] name) {
- int nameLength = name == null ? 0 : name.length;
- int suffixLength = SUFFIX_JAVA.length;
- if (nameLength < suffixLength) return false;
-
- for (int i = 0, offset = nameLength - suffixLength; i < suffixLength; i++) {
- char c = name[offset + i];
- if (c != SUFFIX_java[i] && c != SUFFIX_JAVA[i]) return false;
- }
- return true;
- }
- /**
- * Converts an array of Objects into String.
- */
- public static String toString(Object[] objects) {
- return toString(objects,
- new Displayable(){
- public String displayString(Object o) {
- if (o == null) return "null"; //$NON-NLS-1$
- return o.toString();
- }
- });
- }
-
- /**
- * Converts an array of Objects into String.
- */
- public static String toString(Object[] objects, Displayable renderer) {
- if (objects == null) return ""; //$NON-NLS-1$
- StringBuffer buffer = new StringBuffer(10);
- for (int i = 0; i < objects.length; i++){
- if (i > 0) buffer.append(", "); //$NON-NLS-1$
- buffer.append(renderer.displayString(objects[i]));
- }
- return buffer.toString();
- }
-
- /**
- * Converts a boolean value into Boolean.
- * @param bool The boolean to convert
- * @return The corresponding Boolean object (TRUE or FALSE).
- */
- public static Boolean toBoolean(boolean bool) {
- if (bool) {
- return Boolean.TRUE;
- } else {
- return Boolean.FALSE;
- }
- }
-}
projects / org.ibex.tool.git / blobdiff