/*
* Copyright 2014 OSBI Ltd
*
* 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.saiku.web.export;
import org.saiku.web.rest.objects.resultset.QueryResult;
import org.codehaus.jackson.map.ObjectMapper;
import org.mozilla.javascript.Context;
import org.mozilla.javascript.Scriptable;
import org.mozilla.javascript.ScriptableObject;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.Reader;
import java.io.StringWriter;
/**
* JSConverter
*/
public class JSConverter {
private JSConverter() {
}
public static String convertToHtml(QueryResult qr, boolean wrapcontent) throws IOException {
ObjectMapper om = new ObjectMapper();
StringWriter sw = new StringWriter();
Context context = Context.enter();
Scriptable globalScope = context.initStandardObjects();
Reader underscoreReader = new InputStreamReader(JSConverter.class.getResourceAsStream("underscore.js"));
context.evaluateReader(globalScope, underscoreReader, "underscore.js", 1, null);
Reader srReader = new InputStreamReader(JSConverter.class.getResourceAsStream("SaikuRenderer.js"));
context.evaluateReader(globalScope, srReader, "SaikuRenderer.js", 1, null);
Reader strReader = new InputStreamReader(JSConverter.class.getResourceAsStream("SaikuTableRenderer.js"));
context.evaluateReader(globalScope, strReader, "SaikuTableRenderer.js", 1, null);
String data = om.writeValueAsString(qr);
Object wrappedQr = Context.javaToJS(data, globalScope);
ScriptableObject.putProperty(globalScope, "data", wrappedQr);
Object wrappedOut = Context.javaToJS(sw, globalScope);
ScriptableObject.putProperty(globalScope, "out", wrappedOut);
String code =
"eval('var cellset = ' + data); \nvar renderer = new SaikuTableRenderer(); \nvar html = renderer.render(cellset, { wrapContent : "
+ wrapcontent + " }); out.write(html);";
context.evaluateString(globalScope, code, "<mem>", 1, null);
Context.exit();
String content = sw.toString();
return content;
}
public static String convertToHtml(QueryResult qr) throws IOException {
return convertToHtml(qr, false);
}
}