com.adaptris.core.config.ConfigPreProcessors.java Source code

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Here is the source code for com.adaptris.core.config.ConfigPreProcessors.java

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/*
 * Copyright 2015 Adaptris Ltd.
 * 
 * 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.adaptris.core.config;

import java.io.InputStream;
import java.net.URL;
import java.nio.charset.Charset;
import java.util.AbstractCollection;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;

import org.apache.commons.io.IOUtils;

import com.adaptris.core.CoreException;
import com.adaptris.core.util.ExceptionHelper;

public class ConfigPreProcessors extends AbstractCollection<ConfigPreProcessor> {

    private List<ConfigPreProcessor> preProcessors;

    public ConfigPreProcessors() {
        this.setPreProcessors(new ArrayList<ConfigPreProcessor>());
    }

    public ConfigPreProcessors(Collection<? extends ConfigPreProcessor> existing) {
        this();
        addAll(existing);
    }

    public ConfigPreProcessors(ConfigPreProcessor... processors) {
        this(Arrays.asList(processors));
    }

    public String process(URL urlToXml) throws CoreException {
        try (InputStream inputStream = urlToXml.openConnection().getInputStream()) {
            String xml = IOUtils.toString(inputStream, Charset.defaultCharset());
            return this.process(xml);
        } catch (Exception ex) {
            throw ExceptionHelper.wrapCoreException(ex);
        }
    }

    public String process(String xml) throws CoreException {
        String returnValue = xml;
        for (ConfigPreProcessor preProcessor : this.getPreProcessors())
            returnValue = process(returnValue, preProcessor);

        return returnValue;
    }

    private String process(String xml, ConfigPreProcessor preProcessor) throws CoreException {
        return preProcessor.process(xml);
    }

    //*******************************************************************
    // List Operations
    //*******************************************************************

    @Override
    public Iterator<ConfigPreProcessor> iterator() {
        return this.getPreProcessors().iterator();
    }

    @Override
    public boolean add(ConfigPreProcessor preProcessor) {
        return preProcessors.add(preProcessor);
    }

    @Override
    public boolean addAll(Collection<? extends ConfigPreProcessor> c) {
        return preProcessors.addAll(c);
    }

    @Override
    public void clear() {
        preProcessors.clear();
    }

    @Override
    public int size() {
        return this.getPreProcessors().size();
    }

    public List<ConfigPreProcessor> getPreProcessors() {
        return preProcessors;
    }

    public void setPreProcessors(List<ConfigPreProcessor> preProcessors) {
        this.preProcessors = preProcessors;
    }

}