1 files changed, 151 insertions, 0 deletions
diff --git a/src/sandbox/org/apache/fop/render/afp/modca/ResourceGroup.java b/src/sandbox/org/apache/fop/render/afp/modca/ResourceGroup.java
new file mode 100644
index 000000000..0cfb53870
--- /dev/null
+++ b/src/sandbox/org/apache/fop/render/afp/modca/ResourceGroup.java
@@ -0,0 +1,151 @@
+/*
+ * 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.io.UnsupportedEncodingException;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * A Resource Group contains a set of overlays.
+ */
+public final class ResourceGroup extends AbstractNamedAFPObject {
+
+    /**
+     * Default name for the resource group
+     */
+    private static final String DEFAULT_NAME = "RG000001";
+
+
+    /**
+     * The overlays contained in this resource group
+     */
+    private List _overlays = new ArrayList();
+
+    public ResourceGroup() {
+
+        this(DEFAULT_NAME);
+
+    }
+
+    /**
+     * 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);
+
+    }
+
+    /**
+     * Adds an overlay to the resource group
+     * @param overlay the overlay to add
+     */
+    public void addOverlay(Overlay overlay) {
+        _overlays.add(overlay);
+    }
+
+    /**
+     * Returns the list of overlays
+     * @return the list of overlays
+     */
+    public List getOverlays() {
+        return _overlays;
+    }
+
+    /**
+     * Accessor method to obtain write the AFP datastream for
+     * the resource group.
+     * @param os The stream to write to
+     * @throws java.io.IOException
+     */
+    public void writeDataStream(OutputStream os)
+        throws IOException {
+
+        writeStart(os);
+
+        writeObjectList(_overlays, os);
+
+        writeEnd(os);
+
+    }
+
+    /**
+     * Helper method to write the start of the resource group.
+     * @param os The stream to write to
+     */
+    private void writeStart(OutputStream os)
+        throws IOException {
+
+        byte[] data = new byte[17];
+
+        data[0] = 0x5A; // Structured field identifier
+        data[1] = 0x00; // Length byte 1
+        data[2] = 0x10; // Length byte 2
+        data[3] = (byte) 0xD3; // Structured field id byte 1
+        data[4] = (byte) 0xA8; // Structured field id byte 2
+        data[5] = (byte) 0xC6; // Structured field id byte 3
+        data[6] = 0x00; // Flags
+        data[7] = 0x00; // Reserved
+        data[8] = 0x00; // Reserved
+
+        for (int i = 0; i < _nameBytes.length; i++) {
+
+            data[9 + i] = _nameBytes[i];
+
+        }
+
+        os.write(data);
+
+    }
+
+    /**
+     * Helper method to write the end of the resource group.
+     * @param os The stream to write to
+     */
+    private void writeEnd(OutputStream os)
+        throws IOException {
+
+        byte[] data = new byte[17];
+
+        data[0] = 0x5A; // Structured field identifier
+        data[1] = 0x00; // Length byte 1
+        data[2] = 0x10; // Length byte 2
+        data[3] = (byte) 0xD3; // Structured field id byte 1
+        data[4] = (byte) 0xA9; // Structured field id byte 2
+        data[5] = (byte) 0xC6; // Structured field id byte 3
+        data[6] = 0x00; // Flags
+        data[7] = 0x00; // Reserved
+        data[8] = 0x00; // Reserved
+
+        for (int i = 0; i < _nameBytes.length; i++) {
+
+            data[9 + i] = _nameBytes[i];
+
+        }
+
+        os.write(data);
+
+    }
+
+}
+\ No newline at end of file