freemarkerdor/src/main/java/cz/xelfi/quoridor/freemarkerdor/FreemarkerProcessor.java
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/freemarkerdor/src/main/java/cz/xelfi/quoridor/freemarkerdor/FreemarkerProcessor.java Tue Aug 11 14:26:49 2009 +0200
1.3 @@ -0,0 +1,95 @@
1.4 +/*
1.5 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
1.6 + *
1.7 + * The contents of this file are subject to the terms of either the GNU
1.8 + * General Public License Version 2 only ("GPL") or the Common
1.9 + * Development and Distribution License("CDDL") (collectively, the
1.10 + * "License"). You may not use this file except in compliance with the
1.11 + * License. You can obtain a copy of the License at
1.12 + * http://www.netbeans.org/cddl-gplv2.html
1.13 + * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
1.14 + * specific language governing permissions and limitations under the
1.15 + * License. When distributing the software, include this License Header
1.16 + * Notice in each file and include the License file at
1.17 + * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
1.18 + * particular file as subject to the "Classpath" exception as provided
1.19 + * by Sun in the GPL Version 2 section of the License file that
1.20 + * accompanied this code. If applicable, add the following below the
1.21 + * License Header, with the fields enclosed by brackets [] replaced by
1.22 + * your own identifying information:
1.23 + * "Portions Copyrighted [year] [name of copyright owner]"
1.24 + *
1.25 + * Contributor(s):
1.26 + *
1.27 + * Portions Copyrighted 2009 Jaroslav Tulach
1.28 + */
1.29 +
1.30 +package cz.xelfi.quoridor.freemarkerdor;
1.31 +
1.32 +import com.sun.jersey.spi.template.TemplateProcessor;
1.33 +import java.io.IOException;
1.34 +import java.io.InputStream;
1.35 +import java.io.InputStreamReader;
1.36 +import java.io.OutputStream;
1.37 +import java.io.OutputStreamWriter;
1.38 +import java.io.Writer;
1.39 +import java.util.Map;
1.40 +import java.util.logging.Level;
1.41 +import java.util.logging.Logger;
1.42 +import javax.script.Bindings;
1.43 +import javax.script.ScriptContext;
1.44 +import javax.script.ScriptEngine;
1.45 +import javax.script.ScriptEngineManager;
1.46 +import javax.script.ScriptException;
1.47 +import javax.ws.rs.ext.Provider;
1.48 +import org.openide.filesystems.FileUtil;
1.49 +
1.50 +/**
1.51 + *
1.52 + * @author Jaroslav Tulach <jtulach@netbeans.org>
1.53 + */
1.54 +@Provider
1.55 +public class FreemarkerProcessor implements TemplateProcessor {
1.56 + private ScriptEngineManager manager;
1.57 +
1.58 + public String resolve(String name) {
1.59 + return name;
1.60 + }
1.61 +
1.62 + public void writeTo(String fqn, Object model, OutputStream out) throws IOException {
1.63 + synchronized (this) {
1.64 + if (manager == null) {
1.65 + manager = new ScriptEngineManager();
1.66 + }
1.67 + }
1.68 + ScriptEngine eng = manager.getEngineByName("freemarker");
1.69 + if (eng == null) {
1.70 + throw new IOException("freemarker not found!");
1.71 + }
1.72 + Bindings bind = eng.getContext().getBindings(ScriptContext.ENGINE_SCOPE);
1.73 + if (model instanceof Map) {
1.74 + bind.putAll((Map<? extends String, ? extends Object>)model);
1.75 + }
1.76 + bind.put("model", model);
1.77 +
1.78 + Writer w = new OutputStreamWriter(out);
1.79 +
1.80 + eng.getContext().setWriter(w);
1.81 + eng.getContext().setAttribute(ScriptEngine.FILENAME, fqn, ScriptContext.ENGINE_SCOPE);
1.82 + // silly workaround for
1.83 + // http://openide.netbeans.org/issues/show_bug.cgi?id=170177
1.84 + eng.getContext().setAttribute("org.openide.filesystems.FileObject", FileUtil.createData(FileUtil.getConfigRoot(), fqn), ScriptContext.ENGINE_SCOPE);
1.85 +
1.86 + InputStream is = FreemarkerProcessor.class.getResourceAsStream(fqn);
1.87 + if (is == null) {
1.88 + throw new IOException("Not found " + fqn); // NOI18N
1.89 + }
1.90 + InputStreamReader r = new InputStreamReader(is, "UTF-8");
1.91 + try {
1.92 + eng.eval(r);
1.93 + } catch (ScriptException ex) {
1.94 + ex.printStackTrace();
1.95 + throw new IOException(ex);
1.96 + }
1.97 + }
1.98 +}