AbstractGroovy.java

package hudson.plugins.groovy;

import hudson.model.Descriptor;
import hudson.tasks.Builder;
import hudson.util.DescriptorList;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.StringReader;
import java.util.Properties;
import java.util.concurrent.atomic.AtomicInteger;
import net.sf.json.JSONArray;
import net.sf.json.JSONObject;
import org.kohsuke.stapler.StaplerRequest;

/**
 * Shared functionality for Groovy builders
 * (nothing but script sources at the moment)
 * 
 * @author dvrzalik
 */
public abstract class AbstractGroovy extends Builder {

    public ScriptSource scriptSource;

    public AbstractGroovy(ScriptSource scriptSource) {
        this.scriptSource = scriptSource;
    }

    public static abstract class AbstractGroovyDescriptor extends Descriptor<Builder> {

        public AbstractGroovyDescriptor(Class<? extends Builder> clazz) {
            super(clazz);
        }

        /**
         * Exctrats ScriptSource from given form data
         */
        protected ScriptSource getScriptSource(StaplerRequest req, JSONObject data) throws FormException {
            Object scriptSourceObject = data.get("scriptSource");
            if (scriptSourceObject instanceof JSONArray) {
                //Dunno why this happens. Let's fix the JSON object so that newInstanceFromRadioList() doesn't go mad.
                JSONArray scriptSourceJSONArray = (JSONArray) scriptSourceObject;
                JSONObject scriptSourceJSONObject = new JSONObject();
                Object nestedObject = scriptSourceJSONArray.get(1);
                if (nestedObject instanceof JSONObject) {
                    //command/file path
                    scriptSourceJSONObject.putAll((JSONObject) nestedObject);
                    //selected radio button index
                    scriptSourceJSONObject.put("value", scriptSourceJSONArray.get(0));

                    data.put("scriptSource", scriptSourceJSONObject);
                }
            }

            return ScriptSource.SOURCES.newInstanceFromRadioList(data, "scriptSource");
        }

        //shortcut
        public static DescriptorList<ScriptSource> getScriptSources() {
            return ScriptSource.SOURCES;
        }

        //Used for grouping radio buttons together
        private AtomicInteger instanceCounter = new AtomicInteger(0);

        public int nextInstanceID() {
            return instanceCounter.incrementAndGet();
        }
    }
    
    public ScriptSource getScriptSource() {
        return scriptSource;
    }
    
    /**
     * @return Parsed properties. Never null.
     * @throws java.io.IOException
     */
    public static Properties parseProperties(String properties) throws IOException {
        Properties props = new Properties();
        if (properties != null) {
            try {
                props.load(new StringReader(properties));
            } catch (NoSuchMethodError err) {
                props.load(new ByteArrayInputStream(properties.getBytes()));
            }
        }
        return props;
    }
}