com.bennavetta.appsite.processor.scripting.ScriptingProcessor.java Source code

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Here is the source code for com.bennavetta.appsite.processor.scripting.ScriptingProcessor.java

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/**
 * Copyright 2013 Ben Navetta <ben@bennavetta.com>
 *
 * 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.bennavetta.appsite.processor.scripting;

import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.Reader;
import java.nio.charset.Charset;

import com.bennavetta.appsite.processing.Processor;
import com.bennavetta.appsite.processing.Request;
import com.bennavetta.appsite.processing.Response;
import com.google.common.base.Charsets;
import com.google.common.io.CharStreams;
import com.google.common.net.MediaType;

public abstract class ScriptingProcessor implements Processor {
    private ScriptFactory factory = createFactory();

    protected abstract ScriptFactory createFactory();

    @Override
    public void process(String path, MediaType type, InputStream in, OutputStream out, Request request,
            Response response) throws Exception {
        Charset encoding = (type.charset().isPresent() ? type.charset().get() : Charsets.UTF_8);
        String scriptText = null;
        try (Reader reader = new InputStreamReader(in, encoding)) {
            scriptText = CharStreams.toString(reader);
        }
        Script script = factory.getScript(scriptText);
        script.run(request, response, out);
    }
}