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Diffstat (limited to 'java/client/src/main/java/org/apache/qpid/client/message/TypedBytesContentReader.java')
-rw-r--r--java/client/src/main/java/org/apache/qpid/client/message/TypedBytesContentReader.java674
1 files changed, 0 insertions, 674 deletions
diff --git a/java/client/src/main/java/org/apache/qpid/client/message/TypedBytesContentReader.java b/java/client/src/main/java/org/apache/qpid/client/message/TypedBytesContentReader.java
deleted file mode 100644
index 1ae25eb1ed..0000000000
--- a/java/client/src/main/java/org/apache/qpid/client/message/TypedBytesContentReader.java
+++ /dev/null
@@ -1,674 +0,0 @@
-/*
- *
- * 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.qpid.client.message;
-
-import javax.jms.JMSException;
-import javax.jms.MessageEOFException;
-import javax.jms.MessageFormatException;
-import javax.jms.MessageNotReadableException;
-import java.nio.ByteBuffer;
-import java.nio.CharBuffer;
-import java.nio.charset.CharacterCodingException;
-import java.nio.charset.Charset;
-import java.nio.charset.CharsetDecoder;
-
-class TypedBytesContentReader implements TypedBytesCodes
-{
-
- private final ByteBuffer _data;
- private final int _position;
- private final int _limit;
-
-
- private static final Charset UTF8_CHARSET = Charset.forName("UTF-8");
-
- private final CharsetDecoder _charsetDecoder = UTF8_CHARSET.newDecoder();
-
- private int _byteArrayRemaining = -1;
-
-
- public TypedBytesContentReader(final ByteBuffer data)
- {
- _data = data.duplicate();
- _position = _data.position();
- _limit = _data.limit();
- }
-
- /**
- * Check that there is at least a certain number of bytes available to read
- *
- * @param len the number of bytes
- * @throws javax.jms.MessageEOFException if there are less than len bytes available to read
- */
- protected void checkAvailable(int len) throws MessageEOFException
- {
- if (_data.remaining() < len)
- {
- throw new MessageEOFException("Unable to read " + len + " bytes");
- }
- }
-
- protected byte readWireType() throws MessageFormatException, MessageEOFException,
- MessageNotReadableException
- {
- checkAvailable(1);
- return _data.get();
- }
-
- protected boolean readBoolean() throws JMSException
- {
- int position = _data.position();
- byte wireType = readWireType();
- boolean result;
- try
- {
- switch (wireType)
- {
- case BOOLEAN_TYPE:
- checkAvailable(1);
- result = readBooleanImpl();
- break;
- case STRING_TYPE:
- checkAvailable(1);
- result = Boolean.parseBoolean(readStringImpl());
- break;
- default:
- _data.position(position);
- throw new MessageFormatException("Unable to convert " + wireType + " to a boolean");
- }
- return result;
- }
- catch (RuntimeException e)
- {
- _data.position(position);
- throw e;
- }
- }
-
- boolean readBooleanImpl()
- {
- return _data.get() != 0;
- }
-
- protected byte readByte() throws JMSException
- {
- int position = _data.position();
- byte wireType = readWireType();
- byte result;
- try
- {
- switch (wireType)
- {
- case BYTE_TYPE:
- checkAvailable(1);
- result = readByteImpl();
- break;
- case STRING_TYPE:
- checkAvailable(1);
- result = Byte.parseByte(readStringImpl());
- break;
- default:
- _data.position(position);
- throw new MessageFormatException("Unable to convert " + wireType + " to a byte");
- }
- }
- catch (RuntimeException e)
- {
- _data.position(position);
- throw e;
- }
- return result;
- }
-
- byte readByteImpl()
- {
- return _data.get();
- }
-
- protected short readShort() throws JMSException
- {
- int position = _data.position();
- byte wireType = readWireType();
- short result;
- try
- {
- switch (wireType)
- {
- case SHORT_TYPE:
- checkAvailable(2);
- result = readShortImpl();
- break;
- case STRING_TYPE:
- checkAvailable(1);
- result = Short.parseShort(readStringImpl());
- break;
- case BYTE_TYPE:
- checkAvailable(1);
- result = readByteImpl();
- break;
- default:
- _data.position(position);
- throw new MessageFormatException("Unable to convert " + wireType + " to a short");
- }
- }
- catch (RuntimeException e)
- {
- _data.position(position);
- throw e;
- }
- return result;
- }
-
- short readShortImpl()
- {
- return _data.getShort();
- }
-
- /**
- * Note that this method reads a unicode character as two bytes from the stream
- *
- * @return the character read from the stream
- * @throws javax.jms.JMSException
- */
- protected char readChar() throws JMSException
- {
- int position = _data.position();
- byte wireType = readWireType();
- try
- {
- if (wireType == NULL_STRING_TYPE)
- {
- throw new NullPointerException();
- }
-
- if (wireType != CHAR_TYPE)
- {
- _data.position(position);
- throw new MessageFormatException("Unable to convert " + wireType + " to a char");
- }
- else
- {
- checkAvailable(2);
- return readCharImpl();
- }
- }
- catch (RuntimeException e)
- {
- _data.position(position);
- throw e;
- }
- }
-
- char readCharImpl()
- {
- return _data.getChar();
- }
-
- protected int readInt() throws JMSException
- {
- int position = _data.position();
- byte wireType = readWireType();
- int result;
- try
- {
- switch (wireType)
- {
- case INT_TYPE:
- checkAvailable(4);
- result = readIntImpl();
- break;
- case SHORT_TYPE:
- checkAvailable(2);
- result = readShortImpl();
- break;
- case STRING_TYPE:
- checkAvailable(1);
- result = Integer.parseInt(readStringImpl());
- break;
- case BYTE_TYPE:
- checkAvailable(1);
- result = readByteImpl();
- break;
- default:
- _data.position(position);
- throw new MessageFormatException("Unable to convert " + wireType + " to an int");
- }
- return result;
- }
- catch (RuntimeException e)
- {
- _data.position(position);
- throw e;
- }
- }
-
- protected int readIntImpl()
- {
- return _data.getInt();
- }
-
- protected long readLong() throws JMSException
- {
- int position = _data.position();
- byte wireType = readWireType();
- long result;
- try
- {
- switch (wireType)
- {
- case LONG_TYPE:
- checkAvailable(8);
- result = readLongImpl();
- break;
- case INT_TYPE:
- checkAvailable(4);
- result = readIntImpl();
- break;
- case SHORT_TYPE:
- checkAvailable(2);
- result = readShortImpl();
- break;
- case STRING_TYPE:
- checkAvailable(1);
- result = Long.parseLong(readStringImpl());
- break;
- case BYTE_TYPE:
- checkAvailable(1);
- result = readByteImpl();
- break;
- default:
- _data.position(position);
- throw new MessageFormatException("Unable to convert " + wireType + " to a long");
- }
- return result;
- }
- catch (RuntimeException e)
- {
- _data.position(position);
- throw e;
- }
- }
-
- long readLongImpl()
- {
- return _data.getLong();
- }
-
- protected float readFloat() throws JMSException
- {
- int position = _data.position();
- byte wireType = readWireType();
- float result;
- try
- {
- switch (wireType)
- {
- case FLOAT_TYPE:
- checkAvailable(4);
- result = readFloatImpl();
- break;
- case STRING_TYPE:
- checkAvailable(1);
- result = Float.parseFloat(readStringImpl());
- break;
- default:
- _data.position(position);
- throw new MessageFormatException("Unable to convert " + wireType + " to a float");
- }
- return result;
- }
- catch (RuntimeException e)
- {
- _data.position(position);
- throw e;
- }
- }
-
- float readFloatImpl()
- {
- return _data.getFloat();
- }
-
- protected double readDouble() throws JMSException
- {
- int position = _data.position();
- byte wireType = readWireType();
- double result;
- try
- {
- switch (wireType)
- {
- case DOUBLE_TYPE:
- checkAvailable(8);
- result = readDoubleImpl();
- break;
- case FLOAT_TYPE:
- checkAvailable(4);
- result = readFloatImpl();
- break;
- case STRING_TYPE:
- checkAvailable(1);
- result = Double.parseDouble(readStringImpl());
- break;
- default:
- _data.position(position);
- throw new MessageFormatException("Unable to convert " + wireType + " to a double");
- }
- return result;
- }
- catch (RuntimeException e)
- {
- _data.position(position);
- throw e;
- }
- }
-
- double readDoubleImpl()
- {
- return _data.getDouble();
- }
-
- protected String readString() throws JMSException
- {
- int position = _data.position();
- byte wireType = readWireType();
- String result;
- try
- {
- switch (wireType)
- {
- case STRING_TYPE:
- checkAvailable(1);
- result = readStringImpl();
- break;
- case NULL_STRING_TYPE:
- result = null;
- throw new NullPointerException("data is null");
- case BOOLEAN_TYPE:
- checkAvailable(1);
- result = String.valueOf(readBooleanImpl());
- break;
- case LONG_TYPE:
- checkAvailable(8);
- result = String.valueOf(readLongImpl());
- break;
- case INT_TYPE:
- checkAvailable(4);
- result = String.valueOf(readIntImpl());
- break;
- case SHORT_TYPE:
- checkAvailable(2);
- result = String.valueOf(readShortImpl());
- break;
- case BYTE_TYPE:
- checkAvailable(1);
- result = String.valueOf(readByteImpl());
- break;
- case FLOAT_TYPE:
- checkAvailable(4);
- result = String.valueOf(readFloatImpl());
- break;
- case DOUBLE_TYPE:
- checkAvailable(8);
- result = String.valueOf(readDoubleImpl());
- break;
- case CHAR_TYPE:
- checkAvailable(2);
- result = String.valueOf(readCharImpl());
- break;
- default:
- _data.position(position);
- throw new MessageFormatException("Unable to convert " + wireType + " to a String");
- }
- return result;
- }
- catch (RuntimeException e)
- {
- _data.position(position);
- throw e;
- }
- }
-
- protected String readStringImpl() throws JMSException
- {
- try
- {
- _charsetDecoder.reset();
- ByteBuffer dup = _data.duplicate();
- int pos = _data.position();
- byte b;
- while((b = _data.get()) != 0);
- dup.limit(_data.position()-1);
- return _charsetDecoder.decode(dup).toString();
-
- }
- catch (CharacterCodingException e)
- {
- JMSException jmse = new JMSException("Error decoding byte stream as a UTF8 string: " + e);
- jmse.setLinkedException(e);
- jmse.initCause(e);
- throw jmse;
- }
- }
-
- protected int readBytes(byte[] bytes) throws JMSException
- {
- if (bytes == null)
- {
- throw new IllegalArgumentException("byte array must not be null");
- }
- // first call
- if (_byteArrayRemaining == -1)
- {
- // type discriminator checked separately so you get a MessageFormatException rather than
- // an EOF even in the case where both would be applicable
- checkAvailable(1);
- byte wireType = readWireType();
- if (wireType != BYTEARRAY_TYPE)
- {
- throw new MessageFormatException("Unable to convert " + wireType + " to a byte array");
- }
- checkAvailable(4);
- int size = _data.getInt();
- // length of -1 indicates null
- if (size == -1)
- {
- return -1;
- }
- else
- {
- if (size > _data.remaining())
- {
- throw new MessageEOFException("Byte array has stated length "
- + size
- + " but message only contains "
- +
- _data.remaining()
- + " bytes");
- }
- else
- {
- _byteArrayRemaining = size;
- }
- }
- }
- else if (_byteArrayRemaining == 0)
- {
- _byteArrayRemaining = -1;
- return -1;
- }
-
- int returnedSize = readBytesImpl(bytes);
- if (returnedSize < bytes.length)
- {
- _byteArrayRemaining = -1;
- }
- return returnedSize;
- }
-
- private int readBytesImpl(byte[] bytes)
- {
- int count = (_byteArrayRemaining >= bytes.length ? bytes.length : _byteArrayRemaining);
- _byteArrayRemaining -= count;
-
- if (count == 0)
- {
- return 0;
- }
- else
- {
- _data.get(bytes, 0, count);
- return count;
- }
- }
-
- protected Object readObject() throws JMSException
- {
- int position = _data.position();
- byte wireType = readWireType();
- Object result = null;
- try
- {
- switch (wireType)
- {
- case BOOLEAN_TYPE:
- checkAvailable(1);
- result = readBooleanImpl();
- break;
- case BYTE_TYPE:
- checkAvailable(1);
- result = readByteImpl();
- break;
- case BYTEARRAY_TYPE:
- checkAvailable(4);
- int size = _data.getInt();
- if (size == -1)
- {
- result = null;
- }
- else
- {
- _byteArrayRemaining = size;
- byte[] bytesResult = new byte[size];
- readBytesImpl(bytesResult);
- result = bytesResult;
- }
- break;
- case SHORT_TYPE:
- checkAvailable(2);
- result = readShortImpl();
- break;
- case CHAR_TYPE:
- checkAvailable(2);
- result = readCharImpl();
- break;
- case INT_TYPE:
- checkAvailable(4);
- result = readIntImpl();
- break;
- case LONG_TYPE:
- checkAvailable(8);
- result = readLongImpl();
- break;
- case FLOAT_TYPE:
- checkAvailable(4);
- result = readFloatImpl();
- break;
- case DOUBLE_TYPE:
- checkAvailable(8);
- result = readDoubleImpl();
- break;
- case NULL_STRING_TYPE:
- result = null;
- break;
- case STRING_TYPE:
- checkAvailable(1);
- result = readStringImpl();
- break;
- }
- return result;
- }
- catch (RuntimeException e)
- {
- _data.position(position);
- throw e;
- }
- }
-
- public void reset()
- {
- _byteArrayRemaining = -1;
- _data.position(_position);
- _data.limit(_limit);
- }
-
- public ByteBuffer getData()
- {
- ByteBuffer buf = _data.duplicate();
- buf.position(_position);
- buf.limit(_limit);
- return buf;
- }
-
- public long size()
- {
- return _limit - _position;
- }
-
- public int remaining()
- {
- return _data.remaining();
- }
-
- public void readRawBytes(final byte[] bytes, final int offset, final int count)
- {
- _data.get(bytes, offset, count);
- }
-
- public String readLengthPrefixedUTF() throws JMSException
- {
- try
- {
- short length = readShortImpl();
- if(length == 0)
- {
- return "";
- }
- else
- {
- _charsetDecoder.reset();
- ByteBuffer encodedString = _data.slice();
- encodedString.limit(length);
- _data.position(_data.position()+length);
- CharBuffer string = _charsetDecoder.decode(encodedString);
-
- return string.toString();
- }
- }
- catch(CharacterCodingException e)
- {
- JMSException jmse = new JMSException("Error decoding byte stream as a UTF8 string: " + e);
- jmse.setLinkedException(e);
- jmse.initCause(e);
- throw jmse;
- }
- }
-}
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