de.micromata.genome.util.runtime.GroovyUtils.java Source code

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Here is the source code for de.micromata.genome.util.runtime.GroovyUtils.java

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//
// Copyright (C) 2010-2016 Micromata GmbH
//
// 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 de.micromata.genome.util.runtime;

import groovy.lang.GroovyCodeSource;
import groovy.lang.GroovyShell;
import groovy.lang.Script;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import org.apache.commons.io.IOUtils;

/**
 * Wrapper for Groovy. Encapsulate difference between 1.x and 2.x groovy
 * 
 * @author roger
 * @since 1.2.1
 * 
 */
public class GroovyUtils {

    /**
     * Convert to string.
     *
     * @param is the is
     * @return the string
     */
    public static String convertToString(InputStream is) {
        try {
            return IOUtils.toString(is, StandardCharsets.UTF_8.name());
        } catch (IOException ex) {
            throw new RuntimeException(ex);
        }
    }

    /**
     * Evaluate.
     *
     * @param sh the sh
     * @param is the is
     * @param name the name
     * @return the object
     */
    public static Object evaluate(GroovyShell sh, InputStream is, String name) {
        String s = convertToString(is);
        GroovyCodeSource codeSource = new GroovyCodeSource(s, name, "");
        return sh.evaluate(codeSource);
    }

    /**
     * Evaluate.
     *
     * @param sh the sh
     * @param code the code
     * @param name the name
     * @return the object
     */
    public static Object evaluate(GroovyShell sh, String code, String name) {
        GroovyCodeSource codeSource = new GroovyCodeSource(code, name, "");
        return sh.evaluate(codeSource);
    }

    /**
     * Parses the.
     *
     * @param shell the shell
     * @param is the is
     * @param name the name
     * @return the script
     */
    public static Script parse(GroovyShell shell, InputStream is, String name) {
        String s = convertToString(is);
        return shell.parse(s, name);
    }
}