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fix tests
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...-encoder/src/main/groovy/org/codehaus/groovy/grails/support/encoding/ChainedEncoders.java
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package org.codehaus.groovy.grails.support.encoding; | ||
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import java.io.IOException; | ||
import java.util.ArrayList; | ||
import java.util.Collections; | ||
import java.util.List; | ||
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import org.codehaus.groovy.grails.web.util.StreamCharBuffer; | ||
import org.codehaus.groovy.grails.web.util.StreamCharBuffer.StreamCharBufferWriter; | ||
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public class ChainedEncoders { | ||
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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; | ||
} | ||
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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); | ||
} | ||
} | ||
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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)); | ||
} | ||
} | ||
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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); | ||
} | ||
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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; | ||
} | ||
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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; | ||
} | ||
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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; | ||
} | ||
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} |
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