/*
* Copyright 2011 JBoss Inc
*
* 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.jbpm.formbuilder.server.trans.gwt;
import java.io.File;
import java.io.IOException;
import java.net.URL;
import org.apache.commons.io.FileUtils;
import org.jbpm.formapi.server.form.FormEncodingServerFactory;
import org.jbpm.formapi.server.trans.TranslatorException;
import org.jbpm.formapi.shared.api.FormItemRepresentation;
import org.jbpm.formapi.shared.api.FormRepresentation;
import org.jbpm.formapi.shared.form.FormEncodingException;
import org.jbpm.formapi.shared.form.FormRepresentationEncoder;
public class Translator implements org.jbpm.formapi.server.trans.Translator {
private static final String LANG = "gwt";
@Override
public String getLanguage() {
return LANG;
}
@Override
public URL translateForm(FormRepresentation form) throws TranslatorException {
FormRepresentationEncoder encoder = FormEncodingServerFactory.getEncoder();
try {
String json = encoder.encode(form);
File file = File.createTempFile("form-gwt-", ".json");
FileUtils.writeStringToFile(file, json);
return FileUtils.toURLs(new File[] { file })[0];
} catch (IOException e) {
throw new TranslatorException("Problem writing temporal file", e);
} catch (FormEncodingException e) {
throw new TranslatorException("Problem encoding form", e);
}
}
@Override
public Object translateItem(FormItemRepresentation item) throws TranslatorException {
/* not used */
return null;
}
}