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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2010-2015 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
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* file and include the License file at packager/legal/LICENSE.txt.
*
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package com.pdd.pop.ext.glassfish.grizzly.http.util;
import com.pdd.pop.ext.glassfish.grizzly.Buffer;
import java.io.CharConversionException;
import java.nio.charset.Charset;
import com.pdd.pop.ext.glassfish.grizzly.memory.Buffers;
import static com.pdd.pop.ext.glassfish.grizzly.utils.Charsets.*;
/**
* Request URI holder.
* Contains 3 types of URI:
* 1) Original, which represents the URI's original state at time it was set.
* 2) Decoded, which has represents URI after being URI and String decoded (internally used by Mapper).
* 3) Actual, which is supposed as URI value returned to user.
*
* @author Alexey Stashok
*/
public class RequestURIRef {
private boolean isDecoded;
private Charset decodedURIEncoding;
private boolean wasSlashAllowed = true;
private Charset defaultURIEncoding = UTF8_CHARSET;
// Original Request URI
private final DataChunk originalRequestURIDC = DataChunk.newInstance();
// Actual Request URI
private final DataChunk requestURIDC = new DataChunk() {
@Override
public void notifyDirectUpdate() {
if (type == Type.Buffer) {
final int start = getStart();
final int end = getEnd();
final byte[] bytes = new byte[end - start];
final Buffer currentBuffer = getBufferChunk().getBuffer();
final int pos = currentBuffer.position();
final int lim = currentBuffer.limit();
Buffers.setPositionLimit(currentBuffer, start, end);
currentBuffer.get(bytes);
Buffers.setPositionLimit(currentBuffer, pos, lim);
setBytes(bytes);
}
}
};
// Decoded Request URI
private final DataChunk decodedRequestURIDC = DataChunk.newInstance();
private byte[] preallocatedDecodedURIBuffer;
public void init(final Buffer input, final int start, final int end) {
originalRequestURIDC.setBuffer(input, start, end);
requestURIDC.setBuffer(input, start, end);
}
public void init(final byte[] input, final int start, final int end) {
originalRequestURIDC.setBytes(input, start, end);
requestURIDC.setBytes(input, start, end);
}
public void init(final String requestUri) {
originalRequestURIDC.setString(requestUri);
requestURIDC.setString(requestUri);
}
public final DataChunk getOriginalRequestURIBC() {
return originalRequestURIDC;
}
public final DataChunk getRequestURIBC() {
return requestURIDC;
}
public final DataChunk getDecodedRequestURIBC() throws CharConversionException {
return getDecodedRequestURIBC(wasSlashAllowed, defaultURIEncoding);
}
public DataChunk getDecodedRequestURIBC(boolean isSlashAllowed)
throws CharConversionException {
return getDecodedRequestURIBC(isSlashAllowed, defaultURIEncoding);
}
public DataChunk getDecodedRequestURIBC(final boolean isSlashAllowed,
final Charset charset) throws CharConversionException {
if (isDecoded && isSlashAllowed == wasSlashAllowed
&& charset == decodedURIEncoding) {
return decodedRequestURIDC;
}
checkDecodedURICapacity(requestURIDC.getLength());
decodedRequestURIDC.setBytes(preallocatedDecodedURIBuffer);
HttpRequestURIDecoder.decode(requestURIDC, decodedRequestURIDC,
isSlashAllowed, charset);
isDecoded = true;
wasSlashAllowed = isSlashAllowed;
decodedURIEncoding = charset;
return decodedRequestURIDC;
}
public String getURI() {
return getURI(null);
}
public String getURI(final Charset encoding) {
return getRequestURIBC().toString(encoding);
}
public void setURI(final String uri) {
getRequestURIBC().setString(uri);
}
public final String getDecodedURI() throws CharConversionException {
return getDecodedURI(wasSlashAllowed);
}
public final String getDecodedURI(final boolean isSlashAllowed)
throws CharConversionException {
return getDecodedURI(isSlashAllowed, defaultURIEncoding);
}
public String getDecodedURI(final boolean isSlashAllowed, Charset encoding)
throws CharConversionException {
getDecodedRequestURIBC(isSlashAllowed, encoding);
return decodedRequestURIDC.toString();
}
public void setDecodedURI(String uri) {
decodedRequestURIDC.setString(uri);
isDecoded = true;
}
public boolean isDecoded() {
return isDecoded;
}
public Charset getDefaultURIEncoding() {
return defaultURIEncoding;
}
public void setDefaultURIEncoding(Charset defaultURIEncoding) {
this.defaultURIEncoding = defaultURIEncoding;
}
public void recycle() {
originalRequestURIDC.recycle();
decodedRequestURIDC.recycle();
requestURIDC.recycle();
isDecoded = false;
wasSlashAllowed = true;
decodedURIEncoding = null;
defaultURIEncoding = UTF8_CHARSET;
}
private void checkDecodedURICapacity(final int size) {
if (preallocatedDecodedURIBuffer == null ||
preallocatedDecodedURIBuffer.length < size) {
// for static allocation it's better to wrap byte[]
preallocatedDecodedURIBuffer = new byte[size];
}
}
}
