| /* |
| * 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.openejb.arquillian.common; |
| |
| |
| import java.io.BufferedInputStream; |
| import java.io.BufferedOutputStream; |
| import java.io.BufferedReader; |
| import java.io.BufferedWriter; |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.Closeable; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.FileOutputStream; |
| import java.io.FileReader; |
| import java.io.FileWriter; |
| import java.io.Flushable; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.io.OutputStream; |
| import java.net.URL; |
| import java.util.Properties; |
| import java.util.zip.ZipInputStream; |
| import java.util.zip.ZipOutputStream; |
| |
| /** |
| * @version $Revision$ $Date$ |
| */ |
| public class IO { |
| |
| public static Properties readProperties(final URL resource) throws IOException { |
| return readProperties(resource, new Properties()); |
| } |
| |
| public static Properties readProperties(final URL resource, final Properties properties) throws IOException { |
| return readProperties(read(resource), properties); |
| } |
| |
| public static Properties readProperties(final File resource) throws IOException { |
| return readProperties(resource, new Properties()); |
| } |
| |
| public static Properties readProperties(final File resource, final Properties properties) throws IOException { |
| return readProperties(read(resource), properties); |
| } |
| |
| public static Properties writeProperties(final File resource, final Properties properties) throws IOException { |
| return writeProperties(write(resource), properties); |
| } |
| |
| /** |
| * Reads and closes the input stream |
| * @param in |
| * @param properties |
| * @return |
| * @throws IOException |
| */ |
| public static Properties readProperties(final InputStream in, final Properties properties) throws IOException { |
| if (in == null) { |
| throw new NullPointerException("InputStream is null"); |
| } |
| if (properties == null) { |
| throw new NullPointerException("Properties is null"); |
| } |
| try { |
| properties.load(in); |
| } finally{ |
| close(in); |
| } |
| return properties; |
| } |
| |
| |
| /** |
| * @param outputStream |
| * @param properties |
| * @return |
| * @throws IOException |
| */ |
| public static Properties writeProperties(final OutputStream outputStream, final Properties properties) throws IOException { |
| if (outputStream == null) { |
| throw new NullPointerException("OutputStream is null"); |
| } |
| if (properties == null) { |
| throw new NullPointerException("Properties is null"); |
| } |
| try { |
| properties.store(outputStream, ""); |
| } finally{ |
| close(outputStream); |
| } |
| return properties; |
| } |
| |
| |
| public static String readString(final URL url) throws IOException { |
| final InputStream in = url.openStream(); |
| try { |
| final BufferedReader reader = new BufferedReader(new InputStreamReader(in)); |
| return reader.readLine(); |
| } finally { |
| close(in); |
| } |
| } |
| |
| public static String readString(final File file) throws IOException { |
| final FileReader in = new FileReader(file); |
| try { |
| final BufferedReader reader = new BufferedReader(in); |
| return reader.readLine(); |
| } finally { |
| close(in); |
| } |
| } |
| |
| public static String slurp(final String fileName) throws IOException { |
| return slurp(new File(fileName)); |
| } |
| |
| public static byte[] slurpBytes(final File file) throws IOException { |
| final ByteArrayOutputStream out = new ByteArrayOutputStream(); |
| copy(file, out); |
| return out.toByteArray(); |
| } |
| |
| public static String slurp(final File file) throws IOException { |
| return new String(slurpBytes(file)); |
| } |
| |
| public static String slurp(final InputStream in) throws IOException { |
| final ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); |
| int i = -1; |
| while ((i = in.read()) != -1) { |
| outputStream.write(i); |
| } |
| |
| return new String(outputStream.toByteArray(), "UTF-8"); |
| } |
| |
| public static String slurp(final URL url) throws IOException { |
| final ByteArrayOutputStream out = new ByteArrayOutputStream(); |
| copy(url.openStream(), out); |
| return new String(out.toByteArray()); |
| } |
| |
| public static void writeString(final File file, final String string) throws IOException { |
| final FileWriter out = new FileWriter(file); |
| try { |
| final BufferedWriter bufferedWriter = new BufferedWriter(out); |
| try { |
| bufferedWriter.write(string); |
| bufferedWriter.newLine(); |
| } finally { |
| close(bufferedWriter); |
| } |
| } finally { |
| close(out); |
| } |
| } |
| |
| public static void copy(final File from, final OutputStream to) throws IOException { |
| final InputStream read = read(from); |
| try { |
| copy(read, to); |
| } finally { |
| close(read); |
| } |
| } |
| |
| public static void copy(final InputStream from, final File to) throws IOException { |
| final OutputStream write = write(to); |
| try { |
| copy(from, write); |
| } finally { |
| close(write); |
| } |
| } |
| |
| public static void copy(final InputStream from, final File to, final boolean append) throws IOException { |
| final OutputStream write = write(to, append); |
| try { |
| copy(from, write); |
| } finally { |
| close(write); |
| } |
| } |
| |
| public static void copy(final InputStream from, final OutputStream to) throws IOException { |
| final byte[] buffer = new byte[1024]; |
| int length = 0; |
| while ((length = from.read(buffer)) != -1) { |
| to.write(buffer, 0, length); |
| } |
| to.flush(); |
| } |
| |
| public static ZipOutputStream zip(final File file) throws IOException { |
| final OutputStream write = write(file); |
| return new ZipOutputStream(write); |
| } |
| |
| public static ZipInputStream unzip(final File file) throws IOException { |
| final InputStream read = read(file); |
| return new ZipInputStream(read); |
| } |
| |
| public static IOException close(final Closeable closeable) throws IOException { |
| if (closeable == null) { |
| return null; |
| } |
| try { |
| if (Flushable.class.isInstance(closeable)) { |
| Flushable.class.cast(closeable).flush(); |
| } |
| } catch (final IOException e) { |
| try { |
| closeable.close(); |
| } catch (final IOException e2) { |
| // no-op |
| } |
| |
| return e; |
| } |
| try { |
| closeable.close(); |
| } catch (final IOException e) { |
| return e; |
| } |
| return null; |
| } |
| |
| |
| public static void copy(final File from, final File to) throws IOException { |
| final FileOutputStream fos = new FileOutputStream(to); |
| try { |
| copy(from, fos); |
| } finally { |
| close(fos); |
| } |
| } |
| |
| public static void copy(final byte[] from, final File to) throws IOException { |
| copy(new ByteArrayInputStream(from), to); |
| } |
| |
| public static void copy(final byte[] from, final OutputStream to) throws IOException { |
| copy(new ByteArrayInputStream(from), to); |
| } |
| |
| public static void closeSilently(final Closeable closeable) { |
| try { |
| close(closeable); |
| } catch (final IOException e) { |
| // no-op |
| } |
| } |
| |
| public static boolean delete(final File file) { |
| if (file == null) { |
| return false; |
| } |
| if (!file.delete()) { |
| System.err.println("Delete failed " + file.getAbsolutePath()); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| public static OutputStream write(final File destination) throws FileNotFoundException { |
| final OutputStream out = new FileOutputStream(destination); |
| return new BufferedOutputStream(out, 32768); |
| } |
| |
| public static OutputStream write(final File destination, final boolean append) throws FileNotFoundException { |
| final OutputStream out = new FileOutputStream(destination, append); |
| return new BufferedOutputStream(out, 32768); |
| } |
| |
| public static InputStream read(final File source) throws FileNotFoundException { |
| final InputStream in = new FileInputStream(source); |
| return new BufferedInputStream(in, 32768); |
| } |
| |
| public static InputStream read(final byte[] content) { |
| return new ByteArrayInputStream(content); |
| } |
| |
| public static InputStream read(final URL url) throws IOException { |
| return url.openStream(); |
| } |
| |
| } |