org.cipango.sipatra.ruby.JRubyRuntimeFactory.java Source code

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Here is the source code for org.cipango.sipatra.ruby.JRubyRuntimeFactory.java

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// ========================================================================
// Copyright 2003-2011 the original author or authors.
// ------------------------------------------------------------------------
// 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.cipango.sipatra.ruby;

import java.io.File;
import java.util.ArrayList;
import java.util.List;

import org.apache.commons.pool.PoolableObjectFactory;
import org.jruby.embed.LocalContextScope;
import org.jruby.embed.PathType;
import org.jruby.embed.ScriptingContainer;

/**
 * 
 *
 */
public class JRubyRuntimeFactory implements PoolableObjectFactory {
    private String _appPath;
    private String _scriptPath;

    public JRubyRuntimeFactory(String appPath, String scriptPath) {
        _appPath = appPath;
        _scriptPath = scriptPath;
    }

    public Object makeObject() {
        ScriptingContainer container = new ScriptingContainer(LocalContextScope.SINGLETHREAD);
        // TODO: handle RUBY LOAD PATH to allow non JRuby dev
        List<String> loadPaths = new ArrayList<String>();
        loadPaths.add(_appPath);
        container.getProvider().setLoadPaths(loadPaths);
        container.runScriptlet("ENV['SIPATRA_PATH'] = '" + _appPath.replaceAll("'", "\'") + "'");
        container.runScriptlet(PathType.CLASSPATH, "sipatra.rb");

        if (_scriptPath != null) {
            File file = new File(_scriptPath);
            if (file.isFile())
                container.runScriptlet(PathType.ABSOLUTE, file.getAbsolutePath());
            else if (file.isDirectory()) {
                for (File f : file.listFiles()) {
                    if (f.getName().endsWith(".rb"))
                        container.runScriptlet(PathType.ABSOLUTE, f.getAbsolutePath());
                }
            }
        }
        return container;
    }

    public void destroyObject(Object obj) {
    }

    public boolean validateObject(Object obj) {
        return true;
    }

    public void activateObject(Object obj) {
    }

    public void passivateObject(Object obj) {
        if (obj instanceof ScriptingContainer) {
            ((ScriptingContainer) obj).clear();
        }
    }
}