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- /*
- * Copyright 2006 The Apache Software Foundation.
- *
- * Licensed 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.
- */
-
- /* $Id$ */
-
- package org.apache.fop.render.afp.modca;
-
- import java.io.IOException;
- import java.io.OutputStream;
- import java.util.Iterator;
- import java.util.List;
-
- import org.apache.commons.logging.Log;
- import org.apache.commons.logging.LogFactory;
-
- /**
- * This is the base class for all data stream objects. Page objects are
- * responsible for building and generating the binary datastream in an
- * AFP format.
- *
- */
- public abstract class AbstractAFPObject {
-
- /**
- * Static logging instance
- */
- protected static final Log log = LogFactory.getLog("org.apache.fop.render.afp.modca");
-
- /**
- * DataStream objects must implement the writeDataStream()
- * method to write its data to the given OutputStream
- * @param os The outputsteam stream
- * @throws java.io.IOException
- */
- public abstract void writeDataStream(OutputStream os) throws IOException;
-
- /**
- * Help method to write a set of AFPObjects to the AFP datastream.
- * @afpObjects a list of AFPObjects
- * @param os The stream to write to
- * @throws java.io.IOException
- */
- protected void writeObjectList(List afpObjects, OutputStream os)
- throws IOException {
-
- for (Iterator it = afpObjects.iterator(); it.hasNext(); ) {
- ((AbstractAFPObject)it.next()).writeDataStream(os);
- }
-
- }
-
- }
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