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Diffstat (limited to 'src/java/com/jogamp/common/util')
-rw-r--r-- | src/java/com/jogamp/common/util/IOUtil.java | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/java/com/jogamp/common/util/IOUtil.java b/src/java/com/jogamp/common/util/IOUtil.java new file mode 100644 index 0000000..b3160c5 --- /dev/null +++ b/src/java/com/jogamp/common/util/IOUtil.java @@ -0,0 +1,84 @@ +/** + * Copyright 2010 JogAmp Community. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation are those of the + * authors and should not be interpreted as representing official policies, either expressed + * or implied, of JogAmp Community. + */ + +package com.jogamp.common.util; + +import java.io.BufferedInputStream; +import java.io.BufferedOutputStream; +import java.io.File; +import java.io.FileOutputStream; +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; +import java.net.URL; +import java.net.URLConnection; + +public class IOUtil { + + // Copy the specified URL to the specified File + public static int copyURLToFile(URL url, File outFile) throws IOException { + URLConnection conn = url.openConnection(); + conn.connect(); + + int totalNumBytes = 0; + InputStream in = new BufferedInputStream(conn.getInputStream()); + try { + OutputStream out = new BufferedOutputStream(new FileOutputStream(outFile)); + try { + totalNumBytes = copyStream(in, out, conn.getContentLength()); + } finally { + out.close(); + } + } finally { + in.close(); + } + return totalNumBytes; + } + + /** + * Copy the specified input stream to the specified output stream. The total + * number of bytes written is returned. If the close flag is set, both + * streams are closed upon completion. + */ + public static int copyStream(InputStream in, OutputStream out, int totalNumBytes) throws IOException { + int numBytes = 0; + final int BUFFER_SIZE = 1000; + byte[] buf = new byte[BUFFER_SIZE]; + while (true) { + int count; + if ((count = in.read(buf)) == -1) { + break; + } + out.write(buf, 0, count); + numBytes += count; + } + return numBytes; + } + + +} |