| /** |
| * 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. |
| */ |
| |
| package org.apache.jute; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.io.PrintStream; |
| import java.io.UnsupportedEncodingException; |
| import java.util.List; |
| import java.util.TreeMap; |
| |
| /** |
| * |
| */ |
| public class CsvOutputArchive implements OutputArchive { |
| |
| private PrintStream stream; |
| private boolean isFirst = true; |
| |
| static CsvOutputArchive getArchive(OutputStream strm) |
| throws UnsupportedEncodingException { |
| return new CsvOutputArchive(strm); |
| } |
| |
| private void throwExceptionOnError(String tag) throws IOException { |
| if (stream.checkError()) { |
| throw new IOException("Error serializing "+tag); |
| } |
| } |
| |
| private void printCommaUnlessFirst() { |
| if (!isFirst) { |
| stream.print(","); |
| } |
| isFirst = false; |
| } |
| |
| /** Creates a new instance of CsvOutputArchive */ |
| public CsvOutputArchive(OutputStream out) |
| throws UnsupportedEncodingException { |
| stream = new PrintStream(out, true, "UTF-8"); |
| } |
| |
| public void writeByte(byte b, String tag) throws IOException { |
| writeLong((long)b, tag); |
| } |
| |
| public void writeBool(boolean b, String tag) throws IOException { |
| printCommaUnlessFirst(); |
| String val = b ? "T" : "F"; |
| stream.print(val); |
| throwExceptionOnError(tag); |
| } |
| |
| public void writeInt(int i, String tag) throws IOException { |
| writeLong((long)i, tag); |
| } |
| |
| public void writeLong(long l, String tag) throws IOException { |
| printCommaUnlessFirst(); |
| stream.print(l); |
| throwExceptionOnError(tag); |
| } |
| |
| public void writeFloat(float f, String tag) throws IOException { |
| writeDouble((double)f, tag); |
| } |
| |
| public void writeDouble(double d, String tag) throws IOException { |
| printCommaUnlessFirst(); |
| stream.print(d); |
| throwExceptionOnError(tag); |
| } |
| |
| public void writeString(String s, String tag) throws IOException { |
| printCommaUnlessFirst(); |
| stream.print(Utils.toCSVString(s)); |
| throwExceptionOnError(tag); |
| } |
| |
| public void writeBuffer(byte buf[], String tag) |
| throws IOException { |
| printCommaUnlessFirst(); |
| stream.print(Utils.toCSVBuffer(buf)); |
| throwExceptionOnError(tag); |
| } |
| |
| public void writeRecord(Record r, String tag) throws IOException { |
| if (r == null) { |
| return; |
| } |
| r.serialize(this, tag); |
| } |
| |
| public void startRecord(Record r, String tag) throws IOException { |
| if (tag != null && !"".equals(tag)) { |
| printCommaUnlessFirst(); |
| stream.print("s{"); |
| isFirst = true; |
| } |
| } |
| |
| public void endRecord(Record r, String tag) throws IOException { |
| if (tag == null || "".equals(tag)) { |
| stream.print("\n"); |
| isFirst = true; |
| } else { |
| stream.print("}"); |
| isFirst = false; |
| } |
| } |
| |
| public void startVector(List v, String tag) throws IOException { |
| printCommaUnlessFirst(); |
| stream.print("v{"); |
| isFirst = true; |
| } |
| |
| public void endVector(List v, String tag) throws IOException { |
| stream.print("}"); |
| isFirst = false; |
| } |
| |
| public void startMap(TreeMap v, String tag) throws IOException { |
| printCommaUnlessFirst(); |
| stream.print("m{"); |
| isFirst = true; |
| } |
| |
| public void endMap(TreeMap v, String tag) throws IOException { |
| stream.print("}"); |
| isFirst = false; |
| } |
| } |