com.netcetera.vlab.VLabProcessor.java Source code

Introduction

Here is the source code for com.netcetera.vlab.VLabProcessor.java

Source

/*
 * Copyright (C) 2010-2014 Netcetera Switzerland (info@netcetera.com)
 * 
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 3 of the License, or (at your option)
 * any later version.
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, see http://www.gnu.org/licenses/
 *
 * @(#) $Id: $
 */

package com.netcetera.vlab;

import com.netcetera.vlab.IVLabProcessor;
import com.netcetera.vlab.VLabJythonFactory;
import com.netcetera.vlab.VLabUi;

import com.bc.ceres.core.ProgressMonitor;

import org.apache.commons.lang.StringUtils;
import org.esa.beam.framework.processor.Processor;
import org.esa.beam.framework.processor.ProcessorException;
import org.esa.beam.framework.processor.ui.ProcessorUI;

import java.io.File;
import java.util.logging.Logger;

public class VLabProcessor extends Processor {

    private static final String JYTHON_PROC_ICLASSNAME = "com.netcetera.vlab.IVLabProcessor";
    private static final String JYTHON_IMPL_CLASSNAME = "VLabImpl";
    private static final String VLAB_SYMNAME = "beam-vlab";
    public static final String HELP_ID = "vlab";
    private static final String VLAB_LOGGERID = "beam.processor.vlab";
    private final Logger _logger = Logger.getLogger(VLAB_LOGGERID);

    public static File auxdataInstallDir;
    private ProcessorUI _processorUI;
    private int _progressBarDepth;
    private static IVLabProcessor delegate;

    public VLabProcessor() {
        auxdataInstallDir = super.getDefaultAuxdataInstallDir();
        _logger.info("instantiating VLabProcessor delegate...");
        try {
            installAuxdata();
            delegate = (IVLabProcessor) VLabJythonFactory.getJythonObject(JYTHON_PROC_ICLASSNAME,
                    new File(auxdataInstallDir, JYTHON_IMPL_CLASSNAME + ".py").getAbsolutePath(),
                    JYTHON_IMPL_CLASSNAME);
        } catch (Exception e) {
            throw new RuntimeException(
                    e.getMessage() + "\n__________\n" + StringUtils.join(e.getStackTrace(), "\n"));
        }
        _progressBarDepth = 3;
        setDefaultHelpId(HELP_ID);
    }

    public void setProgressBarDepth(int progessBarDepth) {
        _progressBarDepth = progessBarDepth;
    }

    public void initProcessor() throws ProcessorException {
    }

    @Override
    public void process(ProgressMonitor pm) throws ProcessorException {
        try {
            delegate.process(pm, getRequest());
        } catch (Exception e) {
            throw new ProcessorException(
                    e.getMessage() + "\n__________\n" + StringUtils.join(e.getStackTrace(), "\n"));
        }
    }

    @Override
    public String getUITitle() {
        return delegate.getUITitle();
    }

    @Override
    public String getName() {
        return delegate.getName();
    }

    @Override
    public String getVersion() {
        return delegate.getVersion();
    }

    @Override
    public String getCopyrightInformation() {
        return delegate.getCopyrightInformation();
    }

    @Override
    public int getProgressDepth() {
        return _progressBarDepth;
    }

    // @TODO: see why delegate.getSymbolicName() doesn't work
    @Override
    public String getSymbolicName() {
        return VLAB_SYMNAME;
    }

    @Override
    public ProcessorUI createUI() throws ProcessorException {
        if (_processorUI == null) {
            _processorUI = new VLabUi();
        }
        return _processorUI;
    }
}