net.gbmb.collector.WrappingApplicationRunner.java Source code

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Here is the source code for net.gbmb.collector.WrappingApplicationRunner.java

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/*
 * Copyright 2014 Guillaume Bailleul
 *
 * 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 net.gbmb.collector;

import net.gbmb.collector.impl.TestFinalStorage;
import net.gbmb.collector.impl.TestTempStorage;
import org.apache.commons.io.IOUtils;
import org.springframework.context.annotation.Bean;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

import javax.annotation.Resource;
import java.io.ByteArrayOutputStream;
import java.io.IOException;

@RestController
public class WrappingApplicationRunner extends ApplicationRunner {

    @Resource
    private FinalStorage finalStorage;

    @Resource
    private PushListenerWorker pushListenerWorker;

    @Override
    @Bean
    public TemporaryStorage temporaryStorage() {
        return new TestTempStorage();
    }

    @Override
    @Bean
    public FinalStorage finalStorage() {
        return new TestFinalStorage();
    }

    @RequestMapping(value = "/test/final/{cid}", method = RequestMethod.GET, produces = MediaType.APPLICATION_OCTET_STREAM_VALUE)
    public byte[] getFinal(@PathVariable("cid") String cid) throws IOException {
        // ensure there is no queued content
        pushListenerWorker.wake();
        // retrieve content
        try {
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            IOUtils.copy(finalStorage.get(cid), bos);
            IOUtils.closeQuietly(bos);
            return bos.toByteArray();
        } catch (IOException e) {
            e.printStackTrace();
            throw e;
        } catch (RuntimeException e) {
            e.printStackTrace();
            throw e;
        }
    }

}