svn commit: r561251 - /xmlgraphics/fop/trunk/src/java/org/apache/fop/render/afp/modca/NoOperation.java

[je...@apache.org]

Author: jeremias
Date: Tue Jul 31 00:19:11 2007
New Revision: 561251

URL: http://svn.apache.org/viewvc?view=rev&rev=561251
Log:
Bugzilla #42956:
AFP Renderer - No Operation Extension.
Added missing file (including the bugfix for the right encoding).
Submitted by: Adrian Cumiskey <dev.at.cumiskey.com>

Added:
    xmlgraphics/fop/trunk/src/java/org/apache/fop/render/afp/modca/NoOperation.java   (with props)

Added: xmlgraphics/fop/trunk/src/java/org/apache/fop/render/afp/modca/NoOperation.java
URL: http://svn.apache.org/viewvc/xmlgraphics/fop/trunk/src/java/org/apache/fop/render/afp/modca/NoOperation.java?view=auto&rev=561251
==============================================================================
--- xmlgraphics/fop/trunk/src/java/org/apache/fop/render/afp/modca/NoOperation.java (added)
+++ xmlgraphics/fop/trunk/src/java/org/apache/fop/render/afp/modca/NoOperation.java Tue Jul 31 00:19:11 2007
@@ -0,0 +1,99 @@
+/*
+ * 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.render.afp.modca;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+import org.apache.fop.render.afp.tools.BinaryUtils;
+
+/**
+ * The No Operation structured field may be used to carry comments
+ * or any other type of unarchitected data. Although not recommended,
+ * it may also be used to carry semantic data in private or exchange data
+ * streams. However, because receivers of interchange data streams should
+ * ignore the content of No Operation structured fields and because
+ * receiver-generator products are not required to propagate
+ * No Operation structured fields, no semantics should be attached to
+ * the data carried by the No Operation structured field in interchange
+ */
+public class NoOperation extends AbstractAFPObject {
+    
+    /** Up to 32759 bytes of data with no architectural definition */
+    private static final int MAX_DATA_LEN = 32759;
+    
+    /**
+     * Byte representation of the comment 
+     */
+    private String content;
+
+    /**
+     * Construct a tag logical element with the name and value specified.
+     * 
+     * @param content the content to record
+     */
+    public NoOperation(String content) {
+        this.content = content;
+    }
+    
+    /**
+     * Accessor method to obtain the byte array AFP datastream for the
+     * NoOperation.
+     * 
+     * @param os The outputsteam stream
+     * @throws java.io.IOException if an I/O exception occurs during processing
+     */
+    public void writeDataStream(OutputStream os) throws IOException {
+        byte[] contentData = content.getBytes(AFPConstants.EBCIDIC_ENCODING);
+        int contentLen = contentData.length;
+        
+        // packet maximum of 32759 bytes
+        if (contentLen > MAX_DATA_LEN) {
+            contentLen = MAX_DATA_LEN;
+        }
+        
+        byte[] data = new byte[9 + contentLen];
+        
+        data[0] = 0x5A;
+        
+        // Set the total record length
+        byte[] rl1 = BinaryUtils.convert(8 + contentLen, 2);
+        
+        //Ignore first byte
+        data[1] = rl1[0];
+        data[2] = rl1[1];
+
+        // Structured field ID for a TLE
+        data[3] = (byte) 0xD3;
+        data[4] = (byte) 0xEE;
+        data[5] = (byte) 0xEE;
+
+        data[6] = 0x00; // Reserved
+        data[7] = 0x00; // Reserved
+        data[8] = 0x00; // Reserved
+
+        int pos = 9;
+        for (int i = 0; i < contentLen; i++) {
+            data[pos++] = contentData[i];
+        }
+        os.write(data);
+    }
+
+}
\ No newline at end of file

Propchange: xmlgraphics/fop/trunk/src/java/org/apache/fop/render/afp/modca/NoOperation.java
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    svn:eol-style = native



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