Moved some files and fixed some performance issues

This commit is contained in:
Ziver Koc 2010-08-14 15:22:02 +00:00
parent bd7f3542f8
commit bd58efdd37
6 changed files with 38 additions and 114 deletions

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@ -4,7 +4,9 @@
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/> <classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
<classpathentry kind="lib" path="libs/mysql-connector-java-5.0.7-bin.jar"/> <classpathentry kind="lib" path="libs/mysql-connector-java-5.0.7-bin.jar"/>
<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/3"/> <classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/3"/>
<classpathentry kind="lib" path="libs/dom4j-1.6.1.jar"/> <classpathentry kind="lib" path="libs/dom4j-1.6.1.jar" sourcepath="C:/Users/Ziver/Documents/Programmering/Java/libs/dom4j-1.6.1/src"/>
<classpathentry kind="lib" path="libs/wsdl4j-1.6.2.jar"/> <classpathentry kind="lib" path="libs/wsdl4j-1.6.2.jar"/>
<classpathentry kind="lib" path="libs/javassist.jar" sourcepath="C:/Users/Ziver/Documents/Programmering/Java/libs/javassist-3.12.GA"/>
<classpathentry kind="con" path="org.eclipse.jst.server.core.container/org.eclipse.jst.server.tomcat.runtimeTarget/Apache Tomcat v6.0"/>
<classpathentry kind="output" path="bin"/> <classpathentry kind="output" path="bin"/>
</classpath> </classpath>

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@ -7,7 +7,7 @@ import java.io.ObjectInputStream;
import java.io.ObjectOutputStream; import java.io.ObjectOutputStream;
import java.util.BitSet; import java.util.BitSet;
import zutil.struct.DynamicByteArrayStream; import zutil.io.DynamicByteArrayStream;
public class Converter { public class Converter {
private Converter(){} private Converter(){}

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@ -1,91 +0,0 @@
package zutil.io;
import java.io.FilterInputStream;
import java.io.IOException;
import java.io.InputStream;
public class BoundryBufferedInputStream extends FilterInputStream{
protected BoundryBufferedInputStream(InputStream in) {
super(in);
}
public int read() throws IOException {
return in.read();
}
public int read(byte b[], int off, int len) throws IOException {
return in.read(b, off, len);
}
public long skip(long n) throws IOException {
return in.skip(n);
}
/**
* Returns an estimate of the number of bytes that can be read (or
* skipped over) from this input stream without blocking by the next
* caller of a method for this input stream. The next caller might be
* the same thread or another thread. A single read or skip of this
* many bytes will not block, but may read or skip fewer bytes.
* <p>
* This method returns the result of {@link #in in}.available().
*
* @return an estimate of the number of bytes that can be read (or skipped
* over) from this input stream without blocking.
* @exception IOException if an I/O error occurs.
*/
public int available() throws IOException {
return in.available();
}
/**
* Marks the current position in this input stream. A subsequent
* call to the <code>reset</code> method repositions this stream at
* the last marked position so that subsequent reads re-read the same bytes.
* <p>
* The <code>readlimit</code> argument tells this input stream to
* allow that many bytes to be read before the mark position gets
* invalidated.
* <p>
* This method simply performs <code>in.mark(readlimit)</code>.
*
* @param readlimit the maximum limit of bytes that can be read before
* the mark position becomes invalid.
* @see java.io.FilterInputStream#in
* @see java.io.FilterInputStream#reset()
*/
public synchronized void mark(int readlimit) {
in.mark(readlimit);
}
/**
* Repositions this stream to the position at the time the
* <code>mark</code> method was last called on this input stream.
* <p>
* This method
* simply performs <code>in.reset()</code>.
* <p>
* Stream marks are intended to be used in
* situations where you need to read ahead a little to see what's in
* the stream. Often this is most easily done by invoking some
* general parser. If the stream is of the type handled by the
* parse, it just chugs along happily. If the stream is not of
* that type, the parser should toss an exception when it fails.
* If this happens within readlimit bytes, it allows the outer
* code to reset the stream and try another parser.
*
* @exception IOException if the stream has not been marked or if the
* mark has been invalidated.
* @see java.io.FilterInputStream#in
* @see java.io.FilterInputStream#mark(int)
*/
public synchronized void reset() throws IOException {
in.reset();
}
}

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@ -12,8 +12,8 @@ import java.io.RandomAccessFile;
* @author Ziver * @author Ziver
*/ */
public class BufferedRandomAccessFile extends RandomAccessFile{ public class BufferedRandomAccessFile extends RandomAccessFile{
// The size of the buffer // The size of the buffer in Byte
private int BUF_SIZE = 256; private int BUF_SIZE = 64*1024;
// The Buffer // The Buffer
byte buffer[]; byte buffer[];
@ -73,22 +73,6 @@ public class BufferedRandomAccessFile extends RandomAccessFile{
buffer = new byte[BUF_SIZE]; buffer = new byte[BUF_SIZE];
} }
/**
* @return the next byte in the buffer
*/
public final int read() throws IOException{
if(buf_pos >= buf_end) {
if(fillBuffer() < 0)
return -1;
}
if(buf_end == 0) {
return -1;
} else {
buf_pos++;
return buffer[buf_pos-1];
}
}
/** /**
* Reads in data from the file to the buffer * Reads in data from the file to the buffer
* *
@ -116,6 +100,22 @@ public class BufferedRandomAccessFile extends RandomAccessFile{
file_pos = super.getFilePointer(); file_pos = super.getFilePointer();
} }
/**
* @return the next byte in the buffer
*/
public final int read() throws IOException{
if(buf_pos >= buf_end) {
if(fillBuffer() < 0)
return -1;
}
if(buf_end == 0) {
return -1;
} else {
buf_pos++;
return buffer[buf_pos-1];
}
}
/** /**
* Fills the given array with data from the buffer * Fills the given array with data from the buffer
* *
@ -135,13 +135,26 @@ public class BufferedRandomAccessFile extends RandomAccessFile{
* @return the amount of bytes read or -1 if eof * @return the amount of bytes read or -1 if eof
*/ */
public int read(byte b[], int off, int len) throws IOException { public int read(byte b[], int off, int len) throws IOException {
if(buf_pos >= buf_end) {
if(fillBuffer() < 0)
return -1; // EOF
}
// Copy from buffer
int leftover = buf_end - buf_pos; int leftover = buf_end - buf_pos;
if(len <= leftover) { if(len <= leftover) {
System.arraycopy(buffer, buf_pos, b, off, len); System.arraycopy(buffer, buf_pos, b, off, len);
buf_pos += len; buf_pos += len;
return len; return len;
} }
for(int i = 0; i < len; i++) {
System.arraycopy(buffer, buf_pos, b, off, leftover);
int n = super.read(b, off+leftover, len-leftover );
fillBuffer();
if( n >= 0 )
return leftover + n;
return leftover;
/*for(int i = 0; i < len; i++) {
int c = this.read(); int c = this.read();
if(c != -1) if(c != -1)
b[off+i] = (byte)c; b[off+i] = (byte)c;
@ -149,7 +162,7 @@ public class BufferedRandomAccessFile extends RandomAccessFile{
return i; return i;
} }
} }
return len; return len;*/
} }
/** /**

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@ -1,4 +1,4 @@
package zutil.struct; package zutil.io;
import java.io.IOException; import java.io.IOException;
import java.io.InputStream; import java.io.InputStream;