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NextReports Engine is a lightweight Java platform development library which
can be used to run NextReports inside your applications.
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 ro.nextreports.engine.util.converter;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
public class ConverterChain {
private static Log LOG = LogFactory.getLog(ConverterChain.class);
private static List converters = new ArrayList();
static {
converters.add(new Converter_5_2());
}
// change version at the end of chain so all converters do their convert method
public static String applyFromPath(String path) throws ConverterException {
String xml = converters.get(0).convertFromPath(path, false);
xml = applyFromSecond(xml);
if (conversionDone()) {
return converters.get(converters.size()-1).changeVersion(xml);
} else {
return xml;
}
}
// change version at the end of chain so all converters do their convert method
public static String applyFromInputStream(InputStream is) throws ConverterException {
String xml = converters.get(0).convertFromInputStream(is, false);
xml = applyFromSecond(xml);
if (conversionDone()) {
return converters.get(converters.size()-1).changeVersion(xml);
} else {
return xml;
}
}
// change version at the end of chain so all converters do their convert method
public static String applyFromXml(String text) throws ConverterException {
String xml = converters.get(0).convertFromXml(text, false);
xml = applyFromSecond(xml);
if (conversionDone()) {
return converters.get(converters.size()-1).changeVersion(xml);
} else {
return xml;
}
}
private static String applyFromSecond(String xml) throws ConverterException {
for (int i=1, size=converters.size(); i