diff options
Diffstat (limited to 'sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/util/IOHelper.java')
| -rw-r--r-- | sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/util/IOHelper.java | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/util/IOHelper.java b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/util/IOHelper.java deleted file mode 100644 index 62a007bd05..0000000000 --- a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/util/IOHelper.java +++ /dev/null @@ -1,182 +0,0 @@ -/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.tuscany.core.util;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.net.JarURLConnection;
-import java.net.URL;
-import java.util.jar.JarFile;
-
-public class IOHelper {
- /**
- * The default buffer size to use.
- */
- private static final int DEFAULT_BUFFER_SIZE = 1024 * 4;
-
- protected IOHelper() {
-
- }
-
- /**
- * Unconditionally close an <code>InputStream</code>.
- * <p>
- * Equivalent to {@link InputStream#close()}, except any exceptions will be ignored.
- * This is typically used in finally blocks.
- *
- * @param input the InputStream to close, may be null or already closed
- */
- public static void closeQuietly(InputStream input) {
- try {
- if (input != null) {
- input.close();
- }
- } catch (IOException ioe) {
- // ignore
- }
- }
-
- /**
- * Unconditionally close an <code>OutputStream</code>.
- * <p>
- * Equivalent to {@link OutputStream#close()}, except any exceptions will be ignored.
- * This is typically used in finally blocks.
- *
- * @param output the OutputStream to close, may be null or already closed
- */
- public static void closeQuietly(OutputStream output) {
- try {
- if (output != null) {
- output.close();
- }
- } catch (IOException ioe) {
- // ignore
- }
- }
-
- /**
- * Copy bytes from an <code>InputStream</code> to an
- * <code>OutputStream</code>.
- * <p>
- * This method buffers the input internally, so there is no need to use a
- * <code>BufferedInputStream</code>.
- *
- * @param input the <code>InputStream</code> to read from
- * @param output the <code>OutputStream</code> to write to
- * @return the number of bytes copied
- * @throws NullPointerException if the input or output is null
- * @throws IOException if an I/O error occurs
- * @since Commons IO 1.1
- */
- public static int copy(InputStream input, OutputStream output) throws IOException {
- byte[] buffer = new byte[DEFAULT_BUFFER_SIZE];
- int count = 0;
- int n = 0;
- while (-1 != (n = input.read(buffer))) { // NOPMD
- output.write(buffer, 0, n);
- count += n;
- }
- return count;
- }
-
- public static InputStream getInputStream(URL url) throws IOException {
- return new SafeURLInputStream(url);
- }
-
- /**
- * This class is a workaround for URL stream issue as illustrated below.
- * InputStream is=url.getInputStream(); is.close(); // This line doesn't close
- * the JAR file if the URL is a jar entry like "jar:file:/a.jar!/my.composite" We
- * also need to turn off the JarFile cache.
- *
- * @see http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4950148
- *
- * @version $Rev$ $Date$
- */
- public static class SafeURLInputStream extends InputStream {
- private JarFile jarFile;
- private InputStream is;
-
- public SafeURLInputStream(URL url) throws IOException {
- String protocol = url.getProtocol();
- if (protocol != null && (protocol.equals("jar"))) {
- JarURLConnection connection = (JarURLConnection)url.openConnection();
- // We cannot use cache
- connection.setUseCaches(false);
- try {
- is = connection.getInputStream();
- } catch (IOException e) {
- throw e;
- }
- jarFile = connection.getJarFile();
- } else {
- is = url.openStream();
- }
- }
-
- public SafeURLInputStream(JarURLConnection connection) throws IOException {
- // We cannot use cache
- connection.setUseCaches(false);
- is = connection.getInputStream();
- jarFile = connection.getJarFile();
- }
-
- public int available() throws IOException {
- return is.available();
- }
-
- public void close() throws IOException {
- is.close();
- // We need to close the JAR file
- if (jarFile != null) {
- jarFile.close();
- }
- }
-
- public synchronized void mark(int readlimit) {
- is.mark(readlimit);
- }
-
- public boolean markSupported() {
- return is.markSupported();
- }
-
- public int read() throws IOException {
- return is.read();
- }
-
- public int read(byte[] b, int off, int len) throws IOException {
- return is.read(b, off, len);
- }
-
- public int read(byte[] b) throws IOException {
- return is.read(b);
- }
-
- public synchronized void reset() throws IOException {
- is.reset();
- }
-
- public long skip(long n) throws IOException {
- return is.skip(n);
- }
- }
-}
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