/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 ~ 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 org.apache.felix.hc.generalchecks.util;

import java.io.Reader;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

import javax.script.Bindings;
import javax.script.ScriptContext;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineFactory;
import javax.script.ScriptException;
import javax.script.SimpleBindings;

/**
 * A dummy script engine factory.
 *
 */
public class DummyScriptEngineFactory implements ScriptEngineFactory {

    class DummyScriptEngine implements ScriptEngine {

        public Bindings createBindings() {
            return new SimpleBindings();
        }

        public Object eval(String arg0) throws ScriptException {
            throw new UnsupportedOperationException();
        }

        public Object eval(Reader arg0) throws ScriptException {
            throw new UnsupportedOperationException();
        }

        public Object eval(String arg0, ScriptContext arg1) throws ScriptException {
            throw new UnsupportedOperationException();
        }

        public Object eval(Reader arg0, ScriptContext arg1) throws ScriptException {
            throw new UnsupportedOperationException();
        }

        public Object eval(String arg0, Bindings arg1) throws ScriptException {
            throw new UnsupportedOperationException();
        }

        public Object eval(Reader arg0, Bindings arg1) throws ScriptException {
            throw new UnsupportedOperationException();
        }

        public Object get(String arg0) {
            throw new UnsupportedOperationException();
        }

        public Bindings getBindings(int arg0) {
            throw new UnsupportedOperationException();
        }

        public ScriptContext getContext() {
            throw new UnsupportedOperationException();
        }

        public ScriptEngineFactory getFactory() {
            return DummyScriptEngineFactory.this;
        }

        public void put(String arg0, Object arg1) {
            // NO-OP
        }

        public void setBindings(Bindings arg0, int arg1) {
            // NO-OP
        }

        public void setContext(ScriptContext arg0) {
            // NO-OP
        }

    }

    public String getEngineName() {
        return "Dummy Scripting Engine";
    }

    public String getEngineVersion() {
        return "1.0";
    }

    public List<String> getExtensions() {
        return Arrays.asList("dum", "dummy");
    }

    public String getLanguageName() {
        return "dummy";
    }

    public String getLanguageVersion() {
        return "2.0";
    }

    public String getMethodCallSyntax(String arg0, String arg1, String... arg2) {
        throw new UnsupportedOperationException();
    }

    public List<String> getMimeTypes() {
        return Collections.singletonList("application/x-dummy");
    }

    public List<String> getNames() {
        return Arrays.asList("Dummy", "dummy");
    }

    public String getOutputStatement(String arg0) {
        throw new UnsupportedOperationException();
    }

    public Object getParameter(String arg0) {
        throw new UnsupportedOperationException();
    }

    public String getProgram(String... arg0) {
        throw new UnsupportedOperationException();
    }

    public ScriptEngine getScriptEngine() {
        return new DummyScriptEngine();
    }

}
