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Diffstat (limited to 'lib/javame/src/org/apache/thrift/TDeserializer.java')
-rw-r--r-- | lib/javame/src/org/apache/thrift/TDeserializer.java | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/lib/javame/src/org/apache/thrift/TDeserializer.java b/lib/javame/src/org/apache/thrift/TDeserializer.java new file mode 100644 index 000000000..8eceae717 --- /dev/null +++ b/lib/javame/src/org/apache/thrift/TDeserializer.java @@ -0,0 +1,95 @@ +/* + * 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.thrift; + +import java.io.ByteArrayInputStream; +import java.io.UnsupportedEncodingException; + +import org.apache.thrift.protocol.TBinaryProtocol; +import org.apache.thrift.protocol.TProtocolFactory; +import org.apache.thrift.transport.TIOStreamTransport; + +/** + * Generic utility for easily deserializing objects from a byte array or Java + * String. + * + */ +public class TDeserializer { + private final TProtocolFactory protocolFactory_; + + /** + * Create a new TDeserializer that uses the TBinaryProtocol by default. + */ + public TDeserializer() { + this(new TBinaryProtocol.Factory()); + } + + /** + * Create a new TDeserializer. It will use the TProtocol specified by the + * factory that is passed in. + * + * @param protocolFactory Factory to create a protocol + */ + public TDeserializer(TProtocolFactory protocolFactory) { + protocolFactory_ = protocolFactory; + } + + /** + * Deserialize the Thrift object from a byte array. + * + * @param base The object to read into + * @param bytes The array to read from + */ + public void deserialize(TBase base, byte[] bytes) throws TException { + base.read( + protocolFactory_.getProtocol( + new TIOStreamTransport( + new ByteArrayInputStream(bytes)))); + } + + /** + * Deserialize the Thrift object from a Java string, using a specified + * character set for decoding. + * + * @param base The object to read into + * @param data The string to read from + * @param charset Valid JVM charset + */ + public void deserialize(TBase base, String data, String charset) throws TException { + try { + deserialize(base, data.getBytes(charset)); + } catch (UnsupportedEncodingException uex) { + throw new TException("JVM DOES NOT SUPPORT ENCODING: " + charset); + } + } + + /** + * Deerialize the Thrift object from a Java string, using the default JVM + * charset encoding. + * + * @param base The object to read into + * @param data The string to read from + * @return Serialized object as a String + */ + public void toString(TBase base, String data) throws TException { + deserialize(base, data.getBytes()); + } +} + |