1 files changed, 83 insertions, 0 deletions
diff --git a/src/java/org/apache/fop/afp/goca/AbstractGraphicsObjectContainer.java b/src/java/org/apache/fop/afp/goca/AbstractGraphicsObjectContainer.java
new file mode 100644
index 000000000..672193042
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+++ b/src/java/org/apache/fop/afp/goca/AbstractGraphicsObjectContainer.java
@@ -0,0 +1,83 @@
+/*
+ * 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.
+ */
+
+/* $Id: $ */
+
+package org.apache.fop.afp.goca;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.util.Iterator;
+import java.util.List;
+
+import org.apache.fop.afp.modca.AbstractNamedAFPObject;
+import org.apache.fop.afp.modca.StructuredDataObject;
+
+/**
+ * A base container of prepared structured AFP objects
+ */
+public abstract class AbstractGraphicsObjectContainer extends AbstractNamedAFPObject
+implements StructuredDataObject {
+
+    /** list of objects contained within this container */
+    protected List/*<StructuredDataObject>*/ objects
+        = new java.util.ArrayList/*<StructuredDataObject>*/();
+
+    /**
+     * Default constructor
+     */
+    protected AbstractGraphicsObjectContainer() {
+    }
+
+    /**
+     * Named constructor
+     *
+     * @param name the name of the container
+     */
+    protected AbstractGraphicsObjectContainer(String name) {
+        super(name);
+    }
+
+    /** {@inheritDoc} */
+    protected void writeContent(OutputStream os) throws IOException {
+        writeObjects(objects, os);
+    }
+
+    /**
+     * Adds a given graphics object to this container
+     *
+     * @param drawingOrder the graphics object
+     */
+    public void addObject(StructuredDataObject drawingOrder) {
+        objects.add(drawingOrder);
+    }
+
+    /**
+     * Returns the current data length
+     *
+     * @return the current data length of this container including
+     * all enclosed objects (and their containers)
+     */
+    public int getDataLength() {
+        int dataLen = 0;
+        Iterator it = objects.iterator();
+        while (it.hasNext()) {
+            dataLen += ((StructuredDataObject)it.next()).getDataLength();
+        }
+        return dataLen;
+    }
+}