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fix tests
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lhotari committed Jun 17, 2014
1 parent 10f4426 commit 4d528fd
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Showing 4 changed files with 147 additions and 81 deletions.
@@ -0,0 +1,107 @@
package org.codehaus.groovy.grails.support.encoding;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import org.codehaus.groovy.grails.web.util.StreamCharBuffer;
import org.codehaus.groovy.grails.web.util.StreamCharBuffer.StreamCharBufferWriter;

public class ChainedEncoders {

private static List<StreamingEncoder> toStreamingEncoders(List<Encoder> encoders) {
if(encoders == null || encoders.isEmpty()) {
return null;
}
List<StreamingEncoder> streamingEncoders = new ArrayList<StreamingEncoder>();
for(Encoder encoder : encoders) {
if(!(encoder instanceof StreamingEncoder)) {
return null;
}
streamingEncoders.add((StreamingEncoder)encoder);
}
return streamingEncoders;
}

public static void chainEncode(StreamEncodeable streamEncodeable, EncodedAppender appender, List<Encoder> encoders) throws IOException {
List<StreamingEncoder> streamingEncoders = toStreamingEncoders(encoders);
if(streamingEncoders != null) {
chainStreamingEncode(streamEncodeable, appender, streamingEncoders);
} else {
chainMixedEncode(streamEncodeable, appender, encoders);
}
}

private static void chainMixedEncode(StreamEncodeable streamEncodeable, EncodedAppender appender,
List<Encoder> encoders) throws IOException {
if(encoders==null || encoders.isEmpty()) {
streamEncodeable.encodeTo(appender, null);
} else {
StreamEncodeable lastStreamEncodeable = streamEncodeable;
if(encoders.size() > 1) {
StreamCharBuffer buffer;
if(streamEncodeable instanceof StreamCharBuffer) {
buffer = (StreamCharBuffer)streamEncodeable;
} else {
buffer = new StreamCharBuffer();
streamEncodeable.encodeTo(((StreamCharBufferWriter)buffer.getWriter()).getEncodedAppender(), null);
}
for(int i=0;i < encoders.size()-1;i++) {
buffer = buffer.encodeToBuffer(encoders.get(0));
}
lastStreamEncodeable = buffer;
}
lastStreamEncodeable.encodeTo(appender, encoders.get(encoders.size()-1));
}
}

public static void chainStreamingEncode(StreamEncodeable streamEncodeable, EncodedAppender appender, List<StreamingEncoder> encoders) throws IOException {
EncodedAppender target;
Encoder lastEncoder;
if(encoders != null && encoders.size() > 0) {
target = chainAllButLastEncoders(appender, encoders);
lastEncoder = encoders.get(encoders.size()-1);
} else {
target = appender;
lastEncoder = null;
}
target.append(lastEncoder, streamEncodeable);
}

public static EncodedAppender chainAllButLastEncoders(EncodedAppender appender, List<StreamingEncoder> encoders) {
EncodedAppender target=appender;
for(int i=encoders.size()-1;i >= 1;i--) {
StreamingEncoder encoder=encoders.get(i);
target=new StreamingEncoderEncodedAppender(encoder, target);
}
return target;
}

public static EncodedAppender chainAllEncoders(EncodedAppender appender, List<StreamingEncoder> encoders) {
EncodedAppender target=appender;
for(int i=encoders.size()-1;i >= 0;i--) {
StreamingEncoder encoder=encoders.get(i);
target=new StreamingEncoderEncodedAppender(encoder, target);
}
return target;
}

public static List<Encoder> appendEncoder(List<Encoder> encoders, Encoder encodeToEncoder) {
List<Encoder> nextEncoders;
if(encodeToEncoder != null) {
if(encoders != null) {
List<Encoder> joined = new ArrayList<Encoder>(encoders.size()+1);
joined.addAll(encoders);
joined.add(encodeToEncoder);
nextEncoders = Collections.unmodifiableList(joined);
} else {
nextEncoders = Collections.singletonList(encodeToEncoder);
}
} else {
nextEncoders = encoders;
}
return nextEncoders;
}

}
@@ -1,9 +1,7 @@
package org.codehaus.groovy.grails.support.encoding;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

/**
* EncodedAppender implementation used for piping / chaining several StreamingEncoders
Expand Down Expand Up @@ -42,53 +40,5 @@ protected void appendCharSequence(EncodingState encodingState, CharSequence str,
@Override
public void append(Encoder encoderStateEncoder, char character) throws IOException {
encoder.encodeToStream(encoder, CharSequences.createSingleCharSequence(character), 0, 1, target, encoderStateEncoder != null ? new EncodingStateImpl(Collections.singleton(encoderStateEncoder)) : null);
}

public static void chainEncode(StreamEncodeable streamEncodeable, EncodedAppender appender, List<Encoder> encoders) throws IOException {
EncodedAppender target;
Encoder lastEncoder;
if(encoders != null && encoders.size() > 0) {
target = chainAllButLastEncoders(appender, encoders);
lastEncoder = encoders.get(encoders.size()-1);
} else {
target = appender;
lastEncoder = null;
}
target.append(lastEncoder, streamEncodeable);
}

public static EncodedAppender chainAllButLastEncoders(EncodedAppender appender, List<Encoder> encoders) {
EncodedAppender target=appender;
for(int i=encoders.size()-1;i >= 1;i--) {
StreamingEncoder encoder=(StreamingEncoder)encoders.get(i);
target=new StreamingEncoderEncodedAppender(encoder, target);
}
return target;
}

public static EncodedAppender chainAllEncoders(EncodedAppender appender, List<Encoder> encoders) {
EncodedAppender target=appender;
for(int i=encoders.size()-1;i >= 0;i--) {
StreamingEncoder encoder=(StreamingEncoder)encoders.get(i);
target=new StreamingEncoderEncodedAppender(encoder, target);
}
return target;
}

public static List<Encoder> appendEncoder(List<Encoder> encoders, Encoder encodeToEncoder) {
List<Encoder> nextEncoders;
if(encodeToEncoder != null) {
if(encoders != null) {
List<Encoder> joined = new ArrayList<Encoder>(encoders.size()+1);
joined.addAll(encoders);
joined.add(encodeToEncoder);
nextEncoders = Collections.unmodifiableList(joined);
} else {
nextEncoders = Collections.singletonList(encodeToEncoder);
}
} else {
nextEncoders = encoders;
}
return nextEncoders;
}
}
Expand Up @@ -43,6 +43,7 @@
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.codehaus.groovy.grails.support.encoding.AbstractEncodedAppender;
import org.codehaus.groovy.grails.support.encoding.ChainedEncoders;
import org.codehaus.groovy.grails.support.encoding.CharArrayAccessible;
import org.codehaus.groovy.grails.support.encoding.CharSequences;
import org.codehaus.groovy.grails.support.encoding.CodecIdentifier;
Expand All @@ -62,7 +63,6 @@
import org.codehaus.groovy.grails.support.encoding.EncodingStateRegistryLookupHolder;
import org.codehaus.groovy.grails.support.encoding.StreamEncodeable;
import org.codehaus.groovy.grails.support.encoding.StreamingEncoder;
import org.codehaus.groovy.grails.support.encoding.StreamingEncoderEncodedAppender;
import org.codehaus.groovy.grails.support.encoding.StreamingEncoderWritable;
import org.codehaus.groovy.grails.support.encoding.WriterEncodedAppender;

Expand Down Expand Up @@ -587,7 +587,6 @@ public Writer writeTo(Writer target) throws IOException {
* @param emptyAfter empties the buffer if true
* @throws IOException
*/
@SuppressWarnings("resource")
public void writeTo(Writer target, boolean flushTarget, boolean emptyAfter) throws IOException {
if (target instanceof GrailsWrappedWriter) {
GrailsWrappedWriter wrappedWriter = ((GrailsWrappedWriter)target);
Expand Down Expand Up @@ -1184,7 +1183,7 @@ public final void write(StreamCharBuffer subBuffer, List<Encoder> encoders) thro
subBuffer.writeToImpl(connectedWritersWriter, false, false);
}
else if (!appendSubBuffer(subBuffer, encoders)) {
StreamingEncoderEncodedAppender.chainEncode(subBuffer, this.getEncodedAppender(), encoders);
ChainedEncoders.chainEncode(subBuffer, this.getEncodedAppender(), encoders);
}
}

Expand Down Expand Up @@ -2030,7 +2029,6 @@ final class StreamCharBufferSubChunk extends AbstractChunk {
private StreamCharBuffer encodedBuffer;
int cachedSize;
int encodedSourceChangesCounter = -1;
boolean encodedBufferCalled = false;

public StreamCharBufferSubChunk(StreamCharBuffer sourceBuffer, List<Encoder> encoders) {
this.sourceBuffer = sourceBuffer;
Expand Down Expand Up @@ -2087,7 +2085,7 @@ public void writeTo(Writer target) throws IOException {
else {
appender = new WriterEncodedAppender(target);
}
StreamingEncoderEncodedAppender.chainEncode(getSourceBuffer(), appender, encoders);
ChainedEncoders.chainEncode(getSourceBuffer(), appender, encoders);
}
}

Expand All @@ -2096,15 +2094,15 @@ public void encodeTo(EncodedAppender appender, Encoder encodeToEncoder) throws I
if (appender instanceof StreamCharBufferEncodedAppender
&& getSourceBuffer().isPreferSubChunkWhenWritingToOtherBuffer()
&& ((StreamCharBufferEncodedAppender)appender).getWriter().getBuffer().isAllowSubBuffers() ) {
List<Encoder> nextEncoders = StreamingEncoderEncodedAppender.appendEncoder(encoders, encodeToEncoder);
List<Encoder> nextEncoders = ChainedEncoders.appendEncoder(encoders, encodeToEncoder);
((StreamCharBufferEncodedAppender)appender).getWriter().write(getSourceBuffer(), nextEncoders);
}
else {
if (hasEncodedBufferAvailable() || !hasOnlyStreamingEncoders()) {
appender.append(encodeToEncoder, getEncodedBuffer());
}
else {
StreamingEncoderEncodedAppender.chainEncode(getSourceBuffer(), appender, StreamingEncoderEncodedAppender.appendEncoder(encoders, encodeToEncoder));
ChainedEncoders.chainEncode(getSourceBuffer(), appender, ChainedEncoders.appendEncoder(encoders, encodeToEncoder));
}
}
}
Expand All @@ -2122,41 +2120,48 @@ protected boolean hasOnlyStreamingEncoders() {
}

public StreamCharBuffer getEncodedBuffer() {
encodedBufferCalled = true;
if (!hasEncodedBufferAvailable()) {
if (encoders == null || sourceBuffer.isEmpty()) {
encodedBuffer = sourceBuffer;
encodedSourceChangesCounter = sourceBuffer.getBufferChangesCounter();
}
else {
try {
if(hasOnlyStreamingEncoders()) {
encodedBuffer = new StreamCharBuffer(chunkSize, growProcent, maxChunkSize);
encodedBuffer.setAllowSubBuffers(false);
encodedBuffer.setNotifyParentBuffersEnabled(getSourceBuffer().isNotifyParentBuffersEnabled());
StreamingEncoderEncodedAppender.chainEncode(getSourceBuffer(), encodedBuffer.writer.getEncodedAppender(), encoders);
} else {
encodedBuffer = getSourceBuffer().encodeToBuffer(encoders, false, getSourceBuffer().isNotifyParentBuffersEnabled());
}
encodedBuffer.setAllowSubBuffers(isAllowSubBuffers());
}
catch (IOException e) {
throw new RuntimeException(e);
}
encodedBuffer = new StreamCharBuffer(chunkSize, growProcent, maxChunkSize);
encodedBuffer.setAllowSubBuffers(isAllowSubBuffers());
encodedBuffer.setNotifyParentBuffersEnabled(getSourceBuffer().isNotifyParentBuffersEnabled());
encodeToEncodedBuffer();
}
encodedSourceChangesCounter = sourceBuffer.getBufferChangesCounter();
}
return encodedBuffer;
}

private void encodeToEncodedBuffer() {
boolean previousAllowSubBuffer = encodedBuffer.isAllowSubBuffers();
encodedBuffer.setAllowSubBuffers(false);
encodedSourceChangesCounter = sourceBuffer.getBufferChangesCounter();
try {
ChainedEncoders.chainEncode(getSourceBuffer(), encodedBuffer.writer.getEncodedAppender(), encoders);
}
catch (IOException e) {
throw new RuntimeException(e);
}
encodedBuffer.setAllowSubBuffers(previousAllowSubBuffer);
encodedBuffer.setPreferSubChunkWhenWritingToOtherBuffer(getSourceBuffer().isPreferSubChunkWhenWritingToOtherBuffer());
encodedBuffer.notifyBufferChange();
}

protected boolean hasEncodedBufferAvailable() {
return encodedBuffer != null && encodedSourceChangesCounter == sourceBuffer.getBufferChangesCounter();
}

public boolean resetSubBuffer() {
if (cachedSize != -1 || encodedBufferCalled) {
if (cachedSize != -1 || encodedBuffer != sourceBuffer) {
cachedSize = -1;
encodedSourceChangesCounter = -1;
encodedBufferCalled = false;
if(encodedBuffer != sourceBuffer && encodedBuffer != null) {
encodedBuffer.clear();
encodeToEncodedBuffer();
}
return true;
}
return false;
Expand Down Expand Up @@ -2801,10 +2806,9 @@ public void writeExternal(ObjectOutput out) throws IOException {
out.writeInt(0);
}
}


public StreamCharBuffer encodeToBuffer(Encoder encoder) {
return encodeToBuffer(encoder, isAllowSubBuffers(), false);
return encodeToBuffer(encoder, isAllowSubBuffers(), isNotifyParentBuffersEnabled());
}

public StreamCharBuffer encodeToBuffer(Encoder encoder, boolean allowSubBuffers, boolean notifyParentBuffersEnabled) {
Expand All @@ -2822,7 +2826,7 @@ public StreamCharBuffer encodeToBuffer(Encoder encoder, boolean allowSubBuffers,
}

public StreamCharBuffer encodeToBuffer(List<Encoder> encoders) {
return encodeToBuffer(encoders, isAllowSubBuffers(), false);
return encodeToBuffer(encoders, isAllowSubBuffers(), isNotifyParentBuffersEnabled());
}

public StreamCharBuffer encodeToBuffer(List<Encoder> encoders, boolean allowSubBuffers, boolean notifyParentBuffersEnabled) {
Expand Down
Expand Up @@ -361,14 +361,19 @@ class StreamCharBufferSpec extends Specification {
out << "<1> - Hello;"
}
scb.preferSubChunkWhenWritingToOtherBuffer = true
expect:
scb.toString() == '<1> - Hello;'
when:
def scb2 = jsCodecClass.encoder.encode(scb)
then:
scb2.size() == 27
//then:
// scb2.size() == 27
//scb2.clone().toString() == '\\u003c1\\u003e - Hello\\u003b'
when:
//when:
scb.writer.write '(1)'
scb.writer.flush()
then:
scb.toString() == '<1> - Hello;(1)'
scb2.size() > 27
scb2.toString() == '\\u003c1\\u003e - Hello\\u003b\\u00281\\u0029'
Expand Down

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