1 files changed, 123 insertions, 0 deletions
diff --git a/src/java/org/apache/fop/afp/modca/ObjectContainer.java b/src/java/org/apache/fop/afp/modca/ObjectContainer.java
new file mode 100644
index 000000000..39b935d01
--- /dev/null
+++ b/src/java/org/apache/fop/afp/modca/ObjectContainer.java
@@ -0,0 +1,123 @@
+/*
+ * 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.modca;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+import org.apache.fop.afp.AFPDataObjectInfo;
+import org.apache.fop.afp.AFPObjectAreaInfo;
+import org.apache.fop.afp.AFPResourceInfo;
+import org.apache.fop.afp.AFPResourceLevel;
+import org.apache.fop.afp.Factory;
+import org.apache.fop.afp.modca.triplets.MappingOptionTriplet;
+import org.apache.fop.afp.util.BinaryUtils;
+
+/**
+ * Object containers are MO:DCA objects that envelop and carry object data.
+ */
+public class ObjectContainer extends AbstractDataObject {
+
+    /** the object container data maximum length */
+    private static final int MAX_DATA_LEN = 32759;
+
+    private byte[] data;
+
+    /**
+     * Main constructor
+     *
+     * @param factory the object factory
+     * @param name the name of this object container
+     */
+    public ObjectContainer(Factory factory, String name) {
+        super(factory, name);
+    }
+
+    /** {@inheritDoc} */
+    protected void writeStart(OutputStream os) throws IOException {
+        byte[] headerData = new byte[17];
+        copySF(headerData, Type.BEGIN, Category.OBJECT_CONTAINER);
+
+        // Set the total record length
+        int containerLen = headerData.length + getTripletDataLength() - 1;
+        byte[] len = BinaryUtils.convert(containerLen, 2);
+        headerData[1] = len[0]; // Length byte 1
+        headerData[2] = len[1]; // Length byte 2
+
+        os.write(headerData);
+    }
+
+    /** {@inheritDoc} */
+    protected void writeContent(OutputStream os) throws IOException {
+        super.writeContent(os); // write triplets and OEG
+
+        // write OCDs
+        byte[] dataHeader = new byte[9];
+        copySF(dataHeader, SF_CLASS, Type.DATA, Category.OBJECT_CONTAINER);
+        final int lengthOffset = 1;
+
+        if (data != null) {
+            writeChunksToStream(data, dataHeader, lengthOffset, MAX_DATA_LEN, os);
+        }
+    }
+
+    /** {@inheritDoc} */
+    protected void writeEnd(OutputStream os) throws IOException {
+        byte[] data = new byte[17];
+        copySF(data, Type.END, Category.OBJECT_CONTAINER);
+        os.write(data);
+    }
+
+    /** {@inheritDoc} */
+    public void setViewport(AFPDataObjectInfo dataObjectInfo) {
+        AFPResourceInfo resourceInfo = dataObjectInfo.getResourceInfo();
+        AFPResourceLevel resourceLevel = resourceInfo.getLevel();
+
+        // only need to set MCD and CDD when OC when is inlined (pre-2000 apps)
+        if (resourceLevel.isInline()) {
+            super.setViewport(dataObjectInfo);
+
+            MapContainerData mapContainerData
+            = factory.createMapContainerData(MappingOptionTriplet.SCALE_TO_FIT);
+            getObjectEnvironmentGroup().setMapContainerData(mapContainerData);
+
+            int dataWidth = dataObjectInfo.getDataWidth();
+            int dataHeight = dataObjectInfo.getDataHeight();
+
+            AFPObjectAreaInfo objectAreaInfo = dataObjectInfo.getObjectAreaInfo();
+            int widthRes = objectAreaInfo.getWidthRes();
+            int heightRes = objectAreaInfo.getHeightRes();
+
+            ContainerDataDescriptor containerDataDescriptor
+                = factory.createContainerDataDescriptor(
+                        dataWidth, dataHeight, widthRes, heightRes);
+            getObjectEnvironmentGroup().setDataDescriptor(containerDataDescriptor);
+        }
+    }
+
+    /**
+     * Sets the inputstream for the the object container data
+     *
+     * @param inputStream the inputstream for the object container data
+     */
+    public void setData(byte[] data) {
+        this.data = data;
+    }
+}