1 files changed, 107 insertions, 0 deletions
diff --git a/src/java/org/apache/fop/afp/modca/ResourceGroup.java b/src/java/org/apache/fop/afp/modca/ResourceGroup.java
new file mode 100644
index 000000000..2218998a0
--- /dev/null
+++ b/src/java/org/apache/fop/afp/modca/ResourceGroup.java
@@ -0,0 +1,107 @@
+/*
+ * 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 java.util.Iterator;
+import java.util.Set;
+
+import org.apache.fop.afp.Streamable;
+
+/**
+ * A Resource Group contains a set of overlays.
+ */
+public class ResourceGroup extends AbstractNamedAFPObject {
+
+    /** Set of resource uri */
+    private final Set/*<String>*/ resourceSet = new java.util.HashSet/*<String>*/();
+
+    /**
+     * Constructor for the ResourceGroup, this takes a
+     * name parameter which must be 8 characters long.
+     *
+     * @param name the resource group name
+     */
+    public ResourceGroup(String name) {
+        super(name);
+    }
+
+    /**
+     * Add this named object to this resource group
+     *
+     * @param namedObject a named object
+     * @throws IOException thrown if an I/O exception of some sort has occurred.
+     */
+    public void addObject(AbstractNamedAFPObject namedObject) throws IOException {
+        resourceSet.add(namedObject);
+    }
+
+    /**
+     * Returns the number of resources contained in this resource group
+     *
+     * @return the number of resources contained in this resource group
+     */
+    public int getResourceCount() {
+        return resourceSet.size();
+    }
+
+    /**
+     * Returns true if the resource exists within this resource group,
+     * false otherwise.
+     *
+     * @param uri the uri of the resource
+     * @return true if the resource exists within this resource group
+     */
+    public boolean resourceExists(String uri) {
+        return resourceSet.contains(uri);
+    }
+
+    /** {@inheritDoc} */
+    public void writeStart(OutputStream os) throws IOException {
+        byte[] data = new byte[17];
+        copySF(data, Type.BEGIN, Category.RESOURCE_GROUP);
+        os.write(data);
+    }
+
+    /** {@inheritDoc} */
+    public void writeContent(OutputStream os) throws IOException {
+        Iterator it = resourceSet.iterator();
+        while (it.hasNext()) {
+            Object object = it.next();
+            if (object instanceof Streamable) {
+                Streamable streamableObject = (Streamable)object;
+                streamableObject.writeToStream(os);
+            }
+        }
+    }
+
+    /** {@inheritDoc} */
+    public void writeEnd(OutputStream os) throws IOException {
+        byte[] data = new byte[17];
+        copySF(data, Type.END, Category.RESOURCE_GROUP);
+        os.write(data);
+    }
+
+    /** {@inheritDoc} */
+    public String toString() {
+        return this.name + " " + resourceSet/*getResourceMap()*/;
+    }
+}