de.micromata.genome.gwiki.scheduler_1_0.chronos.spi.GWikiSchedClassJobDefinition.java Source code

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Here is the source code for de.micromata.genome.gwiki.scheduler_1_0.chronos.spi.GWikiSchedClassJobDefinition.java

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//
// Copyright (C) 2010-2016 Roger Rene Kommer & Micromata GmbH
//
// 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 de.micromata.genome.gwiki.scheduler_1_0.chronos.spi;

import java.util.Map;

import org.apache.commons.beanutils.BeanUtilsBean;

import de.micromata.genome.chronos.FutureJob;
import de.micromata.genome.chronos.JobDefinition;
import de.micromata.genome.gwiki.model.GWikiSchedulerJob;
import de.micromata.genome.gwiki.model.GWikiWeb;
import de.micromata.genome.gwiki.scheduler_1_0.jobs.GWikiSchedJobAdapter;
import de.micromata.genome.util.runtime.CallableX;
import de.micromata.genome.util.text.PipeValueList;

/**
 * @author Roger Rene Kommer (r.kommer@micromata.de)
 * 
 */
public class GWikiSchedClassJobDefinition implements JobDefinition {
    protected final String classNameToStart;

    protected Map<String, String> beanProperties = null;

    public GWikiSchedClassJobDefinition(final String classNameToStart, Map<String, String> beanProperties) {
        this.classNameToStart = classNameToStart;
        this.beanProperties = beanProperties;
    }

    private void mapProperties(Object o) throws Exception {
        if (beanProperties != null && beanProperties.isEmpty() == false) {
            BeanUtilsBean.getInstance().populate(o, beanProperties);
        }
    }

    @Override
    public FutureJob getInstance() {
        return GWikiWeb.get().runInPluginContext(new CallableX<FutureJob, RuntimeException>() {

            @Override
            public FutureJob call() throws RuntimeException {

                try {

                    Class c = Thread.currentThread().getContextClassLoader().loadClass(classNameToStart);
                    Object o = c.newInstance();
                    mapProperties(o);
                    if (o instanceof FutureJob) {
                        return (FutureJob) o;
                    } else if (o instanceof GWikiSchedulerJob) {
                        return new GWikiSchedJobAdapter((GWikiSchedulerJob) o);
                    } else {
                        throw new RuntimeException("Unknown job type to create: " + o.getClass());

                    }
                } catch (RuntimeException ex) {
                    throw ex;
                } catch (Exception ex) {
                    throw new RuntimeException("Failure loading class in ClassJobDefinition: " + ex.getMessage(),
                            ex);
                }
            }
        });
    }

    public String serialize() {
        if (beanProperties == null || beanProperties.isEmpty() == true) {
            return classNameToStart;
        }
        return classNameToStart + "|" + PipeValueList.encode(beanProperties);
    }

    public static GWikiSchedClassJobDefinition deserialize(String line) {
        int idx = line.indexOf('|');
        if (idx == -1) {
            return new GWikiSchedClassJobDefinition(line, null);
        }
        String cn = line.substring(0, idx);
        String args = line.substring(idx + 1);
        return new GWikiSchedClassJobDefinition(cn, PipeValueList.decode(args));

    }

    public Map<String, String> getBeanProperties() {
        return beanProperties;
    }

    public void setBeanProperties(Map<String, String> beanProperties) {
        this.beanProperties = beanProperties;
    }

    public String getClassNameToStart() {
        return classNameToStart;
    }

}