Revert "Split out emailcommon/Android.mk"

This reverts commit c28bf353190eb576072a8fd2f98821424144876e.

1 files changed, 175 insertions, 0 deletions

diff --git a/src/org/apache/commons/io/input/CountingInputStream.java b/src/org/apache/commons/io/input/CountingInputStream.java
new file mode 100644
index 000000000..2782276c8
--- /dev/null
+++ b/src/org/apache/commons/io/input/CountingInputStream.java
@@ -0,0 +1,175 @@
+/*

+ * 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.commons.io.input;

+

+import java.io.IOException;

+import java.io.InputStream;

+

+/**

+ * A decorating input stream that counts the number of bytes that have passed

+ * through the stream so far.

+ * <p>

+ * A typical use case would be during debugging, to ensure that data is being

+ * read as expected.

+ *

+ * @author Marcelo Liberato

+ * @version $Id: CountingInputStream.java 471628 2006-11-06 04:06:45Z bayard $

+ */

+public class CountingInputStream extends ProxyInputStream {

+

+    /** The count of bytes that have passed. */

+    private long count;

+

+    /**

+     * Constructs a new CountingInputStream.

+     *

+     * @param in  the InputStream to delegate to

+     */

+    public CountingInputStream(InputStream in) {

+        super(in);

+    }

+

+    //-----------------------------------------------------------------------

+    /**

+     * Reads a number of bytes into the byte array, keeping count of the

+     * number read.

+     *

+     * @param b  the buffer into which the data is read, not null

+     * @return the total number of bytes read into the buffer, -1 if end of stream

+     * @throws IOException if an I/O error occurs

+     * @see java.io.InputStream#read(byte[]) 

+     */

+    public int read(byte[] b) throws IOException {

+        int found = super.read(b);

+        this.count += (found >= 0) ? found : 0;

+        return found;

+    }

+

+    /**

+     * Reads a number of bytes into the byte array at a specific offset,

+     * keeping count of the number read.

+     *

+     * @param b  the buffer into which the data is read, not null

+     * @param off  the start offset in the buffer

+     * @param len  the maximum number of bytes to read

+     * @return the total number of bytes read into the buffer, -1 if end of stream

+     * @throws IOException if an I/O error occurs

+     * @see java.io.InputStream#read(byte[], int, int)

+     */

+    public int read(byte[] b, int off, int len) throws IOException {

+        int found = super.read(b, off, len);

+        this.count += (found >= 0) ? found : 0;

+        return found;

+    }

+

+    /**

+     * Reads the next byte of data adding to the count of bytes received

+     * if a byte is successfully read. 

+     *

+     * @return the byte read, -1 if end of stream

+     * @throws IOException if an I/O error occurs

+     * @see java.io.InputStream#read()

+     */

+    public int read() throws IOException {

+        int found = super.read();

+        this.count += (found >= 0) ? 1 : 0;

+        return found;

+    }

+

+    /**

+     * Skips the stream over the specified number of bytes, adding the skipped

+     * amount to the count.

+     *

+     * @param length  the number of bytes to skip

+     * @return the actual number of bytes skipped

+     * @throws IOException if an I/O error occurs

+     * @see java.io.InputStream#skip(long)

+     */

+    public long skip(final long length) throws IOException {

+        final long skip = super.skip(length);

+        this.count += skip;

+        return skip;

+    }

+

+    //-----------------------------------------------------------------------

+    /**

+     * The number of bytes that have passed through this stream.

+     * <p>

+     * NOTE: From v1.3 this method throws an ArithmeticException if the

+     * count is greater than can be expressed by an <code>int</code>.

+     * See {@link #getByteCount()} for a method using a <code>long</code>.

+     *

+     * @return the number of bytes accumulated

+     * @throws ArithmeticException if the byte count is too large

+     */

+    public synchronized int getCount() {

+        long result = getByteCount();

+        if (result > Integer.MAX_VALUE) {

+            throw new ArithmeticException("The byte count " + result + " is too large to be converted to an int");

+        }

+        return (int) result;

+    }

+

+    /** 

+     * Set the byte count back to 0. 

+     * <p>

+     * NOTE: From v1.3 this method throws an ArithmeticException if the

+     * count is greater than can be expressed by an <code>int</code>.

+     * See {@link #resetByteCount()} for a method using a <code>long</code>.

+     *

+     * @return the count previous to resetting

+     * @throws ArithmeticException if the byte count is too large

+     */

+    public synchronized int resetCount() {

+        long result = resetByteCount();

+        if (result > Integer.MAX_VALUE) {

+            throw new ArithmeticException("The byte count " + result + " is too large to be converted to an int");

+        }

+        return (int) result;

+    }

+

+    /**

+     * The number of bytes that have passed through this stream.

+     * <p>

+     * NOTE: This method is an alternative for <code>getCount()</code>

+     * and was added because that method returns an integer which will

+     * result in incorrect count for files over 2GB.

+     *

+     * @return the number of bytes accumulated

+     * @since Commons IO 1.3

+     */

+    public synchronized long getByteCount() {

+        return this.count;

+    }

+

+    /** 

+     * Set the byte count back to 0. 

+     * <p>

+     * NOTE: This method is an alternative for <code>resetCount()</code>

+     * and was added because that method returns an integer which will

+     * result in incorrect count for files over 2GB.

+     *

+     * @return the count previous to resetting

+     * @since Commons IO 1.3

+     */

+    public synchronized long resetByteCount() {

+        long tmp = this.count;

+        this.count = 0;

+        return tmp;

+    }

+

+}