diff options
Diffstat (limited to 'qpid/java/amqp-1-0-common/src/main/java/org/apache/qpid/amqp_1_0/codec/FixedEightWriter.java')
| -rw-r--r-- | qpid/java/amqp-1-0-common/src/main/java/org/apache/qpid/amqp_1_0/codec/FixedEightWriter.java | 214 |
1 files changed, 107 insertions, 107 deletions
diff --git a/qpid/java/amqp-1-0-common/src/main/java/org/apache/qpid/amqp_1_0/codec/FixedEightWriter.java b/qpid/java/amqp-1-0-common/src/main/java/org/apache/qpid/amqp_1_0/codec/FixedEightWriter.java index c9cc0b72c3..2a68af9fae 100644 --- a/qpid/java/amqp-1-0-common/src/main/java/org/apache/qpid/amqp_1_0/codec/FixedEightWriter.java +++ b/qpid/java/amqp-1-0-common/src/main/java/org/apache/qpid/amqp_1_0/codec/FixedEightWriter.java @@ -1,108 +1,108 @@ -/*
- *
- * 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.amqp_1_0.codec;
-
-import java.nio.ByteBuffer;
-
-public abstract class FixedEightWriter<T extends Object> implements ValueWriter<T>
-{
- private int _written = 9;
- private long _value;
-
- public final int writeToBuffer(ByteBuffer buffer)
- {
- int remaining = buffer.remaining();
- int written = _written;
- switch(written)
- {
- case 0:
- if(buffer.hasRemaining())
- {
- buffer.put(getFormatCode());
- remaining--;
- written = 1;
- }
- else
- {
- break;
- }
- case 1:
- if(remaining>=8)
- {
- buffer.putLong(_value);
- written = 9;
- break;
- }
- case 2:
- case 3:
- case 4:
- case 5:
- if(remaining >= 4)
- {
- buffer.putInt((int)((_value >> ((5-written)<<3)) & 0xFFFFFFFF ));
- remaining-=4;
- written+=4;
- }
- case 6:
- case 7:
- if(remaining >= 2 && written <= 7)
- {
- buffer.putShort((short)((_value >> ((7-written)<<3)) & 0xFFFF ));
- remaining -= 2;
- written += 2;
- }
- case 8:
- if(remaining >=1 && written != 9)
- {
- buffer.put((byte)((_value >> ((8-written)<<3)) & 0xFF ));
- written++;
- }
-
-
- }
- _written = written;
-
- return 9;
- }
-
- abstract byte getFormatCode();
-
- public final void setValue(T value)
- {
- _written = 0;
- _value = convertValueToLong(value);
- }
-
- abstract long convertValueToLong(T value);
-
- public boolean isCacheable()
- {
- return true;
- }
-
- public final boolean isComplete()
- {
- return _written == 9;
- }
-
-
+/* + * + * 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.amqp_1_0.codec; + +import java.nio.ByteBuffer; + +public abstract class FixedEightWriter<T extends Object> implements ValueWriter<T> +{ + private int _written = 9; + private long _value; + + public final int writeToBuffer(ByteBuffer buffer) + { + int remaining = buffer.remaining(); + int written = _written; + switch(written) + { + case 0: + if(buffer.hasRemaining()) + { + buffer.put(getFormatCode()); + remaining--; + written = 1; + } + else + { + break; + } + case 1: + if(remaining>=8) + { + buffer.putLong(_value); + written = 9; + break; + } + case 2: + case 3: + case 4: + case 5: + if(remaining >= 4) + { + buffer.putInt((int)((_value >> ((5-written)<<3)) & 0xFFFFFFFF )); + remaining-=4; + written+=4; + } + case 6: + case 7: + if(remaining >= 2 && written <= 7) + { + buffer.putShort((short)((_value >> ((7-written)<<3)) & 0xFFFF )); + remaining -= 2; + written += 2; + } + case 8: + if(remaining >=1 && written != 9) + { + buffer.put((byte)((_value >> ((8-written)<<3)) & 0xFF )); + written++; + } + + + } + _written = written; + + return 9; + } + + abstract byte getFormatCode(); + + public final void setValue(T value) + { + _written = 0; + _value = convertValueToLong(value); + } + + abstract long convertValueToLong(T value); + + public boolean isCacheable() + { + return true; + } + + public final boolean isComplete() + { + return _written == 9; + } + + }
\ No newline at end of file |