org.jodconverter.job.AbstractConversionJob Maven / Gradle / Ivy
/*
* Copyright 2004 - 2012 Mirko Nasato and contributors
* 2016 - 2018 Simon Braconnier and contributors
*
* This file is part of JODConverter - Java OpenDocument Converter.
*
* 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 org.jodconverter.job;
import org.apache.commons.lang3.Validate;
import org.jodconverter.document.DocumentFormat;
import org.jodconverter.office.OfficeException;
/**
* Base class for all conversion job implementations.
*
* @see ConversionJob
*/
public abstract class AbstractConversionJob
implements ConversionJobWithOptionalTargetFormatUnspecified {
protected AbstractSourceDocumentSpecs source;
protected AbstractTargetDocumentSpecs target;
protected AbstractConversionJob(
final AbstractSourceDocumentSpecs source, final AbstractTargetDocumentSpecs target) {
super();
this.source = source;
this.target = target;
}
@Override
public ConversionJob as(final DocumentFormat format) {
target.setDocumentFormat(format);
return this;
}
@Override
public final void execute() throws OfficeException {
Validate.notNull(target.getFormat(), "The target format is missing or not supported");
doExecute();
}
/**
* Executes the conversion and blocks until the conversion terminates. Both source and target
* document formats are known and valid at this point.
*
* @throws OfficeException If the conversion failed.
*/
protected abstract void doExecute() throws OfficeException;
}