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add InputStreamByteIterator and tests 

git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/collections/trunk@131013 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Rodney Waldhoff 2003-04-15 03:07:50 +00:00
parent b2528188aa
commit 3171e5c1e7
4 changed files with 320 additions and 2 deletions
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125
src/java/org/apache/commons/collections/primitives/adapters/io/InputStreamByteIterator.java Normal file
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@ -0,0 +1,125 @@
/*
* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/java/org/apache/commons/collections/primitives/adapters/io/Attic/InputStreamByteIterator.java,v 1.1 2003/04/15 03:07:50 rwaldhoff Exp $
* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2003 The Apache Software Foundation. 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.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "The Jakarta Project", "Commons", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 THE APACHE SOFTWARE FOUNDATION OR
* ITS 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.commons.collections.primitives.adapters.io;
import java.io.IOException;
import java.io.InputStream;
import java.util.NoSuchElementException;
import org.apache.commons.collections.primitives.ByteIterator;
/**
* Adapts an {@link InputStream} to the {@link ByteIterator} interface.
*
* @version $Revision: 1.1 $ $Date: 2003/04/15 03:07:50 $
* @author Rodney Waldhoff
*/
public class InputStreamByteIterator implements ByteIterator {
public InputStreamByteIterator(InputStream in) {
this.stream = in;
}
public boolean hasNext() {
ensureNextAvailable();
return (-1 != next);
}
public byte next() {
if(!hasNext()) {
throw new NoSuchElementException("No next element");
} else {
nextAvailable = false;
return (byte)next;
}
}
/**
* Not supported.
* @throws UnsupportedOperationException
*/
public void remove() throws UnsupportedOperationException {
throw new UnsupportedOperationException("remove() is not supported here");
}
public static ByteIterator adapt(InputStream in) {
return null == in ? null : new InputStreamByteIterator(in);
}
private void ensureNextAvailable() {
if(!nextAvailable) {
readNext();
}
}
private void readNext() {
try {
next = stream.read();
nextAvailable = true;
} catch(IOException e) {
// TODO: Fix me using tunneled exception, see
// http://radio.weblogs.com/0122027/2003/04/01.html#a7
// for example
throw new RuntimeException(e.toString());
}
}
private InputStream stream = null;
private boolean nextAvailable = false;
private int next;
}

6
src/test/org/apache/commons/collections/primitives/adapters/TestAll.java
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@ -1,5 +1,5 @@
/*
* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/test/org/apache/commons/collections/primitives/adapters/Attic/TestAll.java,v 1.7 2003/04/15 01:55:21 rwaldhoff Exp $
* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/test/org/apache/commons/collections/primitives/adapters/Attic/TestAll.java,v 1.8 2003/04/15 03:07:50 rwaldhoff Exp $
* ====================================================================
* The Apache Software License, Version 1.1
*
@ -62,7 +62,7 @@ import junit.framework.TestCase;
import junit.framework.TestSuite;
/**
* @version $Revision: 1.7 $ $Date: 2003/04/15 01:55:21 $
* @version $Revision: 1.8 $ $Date: 2003/04/15 03:07:50 $
* @author Rodney Waldhoff
*/
public class TestAll extends TestCase {
@ -132,6 +132,8 @@ public class TestAll extends TestCase {
suite.addTest(TestDoubleIteratorIterator.suite());
suite.addTest(TestDoubleListIteratorListIterator.suite());
suite.addTest(org.apache.commons.collections.primitives.adapters.io.TestAll.suite());
return suite;
}
}

81
src/test/org/apache/commons/collections/primitives/adapters/io/TestAll.java Normal file
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@ -0,0 +1,81 @@
/*
* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/test/org/apache/commons/collections/primitives/adapters/io/Attic/TestAll.java,v 1.1 2003/04/15 03:07:49 rwaldhoff Exp $
* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2003 The Apache Software Foundation. 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.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "The Jakarta Project", "Commons", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 THE APACHE SOFTWARE FOUNDATION OR
* ITS 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.commons.collections.primitives.adapters.io;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
/**
* @version $Revision: 1.1 $ $Date: 2003/04/15 03:07:49 $
* @author Rodney Waldhoff
*/
public class TestAll extends TestCase {
public TestAll(String testName) {
super(testName);
}
public static Test suite() {
TestSuite suite = new TestSuite();
suite.addTest(TestInputStreamByteIterator.suite());
return suite;
}
}

110
src/test/org/apache/commons/collections/primitives/adapters/io/TestInputStreamByteIterator.java Normal file
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@ -0,0 +1,110 @@
/*
* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/test/org/apache/commons/collections/primitives/adapters/io/Attic/TestInputStreamByteIterator.java,v 1.1 2003/04/15 03:07:49 rwaldhoff Exp $
* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2002-2003 The Apache Software Foundation. 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.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "The Jakarta Project", "Commons", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 THE APACHE SOFTWARE FOUNDATION OR
* ITS 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.commons.collections.primitives.adapters.io;
import java.io.ByteArrayInputStream;
import junit.framework.Test;
import junit.framework.TestSuite;
import org.apache.commons.collections.primitives.ByteIterator;
import org.apache.commons.collections.primitives.TestByteIterator;
/**
* @version $Revision: 1.1 $ $Date: 2003/04/15 03:07:49 $
* @author Rodney Waldhoff
*/
public class TestInputStreamByteIterator extends TestByteIterator {
// conventional
// ------------------------------------------------------------------------
public TestInputStreamByteIterator(String testName) {
super(testName);
}
public static Test suite() {
return new TestSuite(TestInputStreamByteIterator.class);
}
// ------------------------------------------------------------------------
public boolean supportsRemove() {
return false;
}
protected ByteIterator makeEmptyByteIterator() {
return new InputStreamByteIterator(new ByteArrayInputStream(new byte[0]));
}
protected ByteIterator makeFullByteIterator() {
return new InputStreamByteIterator(new ByteArrayInputStream(getFullElements()));
}
protected byte[] getFullElements() {
byte[] bytes = new byte[256];
for(int i=0; i < 256; i++) {
bytes[i] = (byte)(i-128);
}
return bytes;
}
// ------------------------------------------------------------------------
}