/* | |
* 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.axis2.context.externalize; | |
import org.apache.commons.logging.Log; | |
import org.apache.commons.logging.LogFactory; | |
import java.io.IOException; | |
import java.io.ObjectInput; | |
import java.io.ObjectStreamConstants; | |
/** | |
* DebugObjectInput delegates to an ObjectInput object. | |
* Each method logs in/out trace information. | |
*/ | |
public class DebugObjectInput implements ObjectInput, ObjectStreamConstants { | |
private static final Log log = LogFactory.getLog(DebugObjectInput.class); | |
private static final boolean isDebug = log.isDebugEnabled(); | |
ObjectInput oi; // delegate | |
public DebugObjectInput(ObjectInput oi) { | |
super(); | |
this.oi = oi; | |
} | |
public int available() throws IOException { | |
trace("start available()"); | |
int value = oi.available(); | |
trace("end available() =" + value); | |
return value; | |
} | |
public void close() throws IOException { | |
trace("start close()"); | |
oi.close(); | |
trace("end close()"); | |
} | |
public int read() throws IOException { | |
trace("start read()"); | |
int value = oi.read(); | |
trace("end read()=" + value); | |
return value; | |
} | |
public int read(byte[] b, int off, int len) throws IOException { | |
trace("start read(b, off, len) off=" + off + " len="+len); | |
int value = oi.read(b, off, len); | |
trace("end read(b,off,len)=" + value); | |
return value; | |
} | |
public int read(byte[] b) throws IOException { | |
trace("start read(b) b.length=" + b.length); | |
int value = oi.read(b); | |
trace("end read(b)=" + value); | |
return value; | |
} | |
public boolean readBoolean() throws IOException { | |
trace("start readBoolean()"); | |
boolean value = oi.readBoolean(); | |
trace("end readBoolean()=" + value); | |
return value; | |
} | |
public byte readByte() throws IOException { | |
trace("start readByte"); | |
byte value = oi.readByte(); | |
trace("end readByte()=" + value); | |
return value; | |
} | |
public char readChar() throws IOException { | |
trace("start readChar"); | |
char value = oi.readChar(); | |
trace("end readChar()=" + value); | |
return value; | |
} | |
public double readDouble() throws IOException { | |
trace("start readDouble"); | |
double value = oi.readDouble(); | |
trace("end readDouble()=" + value); | |
return value; | |
} | |
public float readFloat() throws IOException { | |
trace("start readFloat"); | |
float value = oi.readFloat(); | |
trace("end readFloat()=" + value); | |
return value; | |
} | |
public void readFully(byte[] b, int off, int len) throws IOException { | |
trace("start readFully(b,off,len) off=" + off + " len="+len); | |
oi.readFully(b, off, len); | |
trace("end readFully(b,off,len)"); | |
} | |
public void readFully(byte[] b) throws IOException { | |
trace("start readFully(b) b.length="+ b.length); | |
oi.readFully(b); | |
trace("end readFully(b)"); | |
} | |
public int readInt() throws IOException { | |
trace("start readInt()"); | |
int value = oi.readInt(); | |
trace("end readInt()="+ value); | |
return value; | |
} | |
public String readLine() throws IOException { | |
trace("start readLine()"); | |
String value = oi.readLine(); | |
trace("end readLine()="+ value); | |
return value; | |
} | |
public long readLong() throws IOException { | |
trace("start readLong()"); | |
long value = oi.readLong(); | |
trace("end readLong()="+ value); | |
return value; | |
} | |
public Object readObject() throws ClassNotFoundException, IOException { | |
trace("start readObject()"); | |
Object value = oi.readObject(); | |
trace("end readObject()="+ valueName(value)); | |
return value; | |
} | |
public short readShort() throws IOException { | |
trace("start readShort()"); | |
short value = oi.readShort(); | |
trace("end readShort()="+ value); | |
return value; | |
} | |
public int readUnsignedByte() throws IOException { | |
trace("start readLong()"); | |
int value = oi.readUnsignedByte(); | |
trace("end readUnsignedByte()="+ value); | |
return value; | |
} | |
public int readUnsignedShort() throws IOException { | |
trace("start readShort()"); | |
int value = oi.readUnsignedShort(); | |
trace("end readShort()="+ value); | |
return value; | |
} | |
public String readUTF() throws IOException { | |
trace("start readUTF()"); | |
String value = oi.readUTF(); | |
trace("end readUTF()="+ value); | |
return value; | |
} | |
public long skip(long n) throws IOException { | |
trace("start skip(n) n="+n); | |
long value = oi.skip(n); | |
trace("end skip(n)="+ value); | |
return value; | |
} | |
public int skipBytes(int n) throws IOException { | |
trace("start skipBytes(n) n="+n); | |
int value = oi.skipBytes(n); | |
trace("end skipBytes(n)="+ value); | |
return value; | |
} | |
public void trace(String str) { | |
if (isDebug) { | |
log.debug(str); | |
} | |
} | |
private String valueName(Object obj) { | |
if (obj == null) { | |
return "null"; | |
} else if (obj instanceof String) { | |
return (String) obj; | |
} else { | |
return "Object of class = " + obj.getClass().getName(); | |
} | |
} | |
} |