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/*
* Copyright (C) 2013 The CyanogenMod Project
*
* Licensed 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 com.cyanogenmod.filemanager.ash;
import com.cyanogenmod.filemanager.ash.spi.PropertiesSyntaxHighlightProcessor;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
/**
* A factory of <code>SyntaxHighlightProcessor</code> classes.
*/
public class SyntaxHighlightFactory {
private static SyntaxHighlightFactory sFactory;
private final ArrayList<SyntaxHighlightProcessor> mProcessors;
/**
* Constructor of <code>SyntaxHighlightFactory</code>
*/
public SyntaxHighlightFactory() {
super();
this.mProcessors = new ArrayList<SyntaxHighlightProcessor>();
}
/**
* Method that returns the default highlight factory instance
*
* @param resolver A class for allow the processor to obtain resources
* @return SyntaxHighlightFactory The default syntax highlight factory
*/
public static final synchronized SyntaxHighlightFactory getDefaultFactory(
ISyntaxHighlightResourcesResolver resolver) {
if (sFactory == null) {
sFactory = createDefaultFactory(resolver);
}
return sFactory;
}
/**
* Method that returns the syntax highlight processor that can handle the file
*
* @param file The file to process
* @return SyntaxHighlightProcessor The syntax highlight processor
*/
public SyntaxHighlightProcessor getSyntaxHighlightProcessor(File file) {
int cc = this.mProcessors.size();
for (int i = 0; i < cc; i++) {
SyntaxHighlightProcessor processor = this.mProcessors.get(i);
if (processor.accept(file)) {
return processor;
}
}
return null;
}
/**
* Method that return all the available syntax highlight processors.
*
* @return List<SyntaxHighlightProcessor> the list available syntax highlight processors.
*/
public List<SyntaxHighlightProcessor> getAvailableSyntaxHighlightProcessors() {
return new ArrayList<SyntaxHighlightProcessor>(this.mProcessors);
}
/**
* Method that create the default syntax highlight factory.
*
* @param resolver A class for allow the processor to obtain resources
* @return SyntaxHighlightFactory The default factory
*/
private static SyntaxHighlightFactory createDefaultFactory(
ISyntaxHighlightResourcesResolver resolver) {
// TODO Read all processors classes of the SPI package
// For now we add all known syntax highlight processors
SyntaxHighlightFactory factory = new SyntaxHighlightFactory();
factory.mProcessors.add(new PropertiesSyntaxHighlightProcessor(resolver));
return factory;
}
}
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