ConfigParameters.java

/*
 * Copyright 2010-2011, CloudBees Inc.
 */

package com.cloudbees.api.config;

import com.cloudbees.api.ApplicationDeployArgs;
import com.cloudbees.api.BeesClient;
import com.thoughtworks.xstream.XStream;
import com.thoughtworks.xstream.annotations.XStreamAlias;
import com.thoughtworks.xstream.annotations.XStreamImplicit;
import com.thoughtworks.xstream.mapper.MapperWrapper;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

/**
 * Data model for configuration.
 *
 * @author Fabian Donze
 * @see BeesClient#configurationParametersAsObject(String, String)
 * @see BeesClient#configurationParametersUpdate(String, String, ConfigParameters)
 * @see ApplicationDeployArgs.Builder#withConfigs(ConfigParameters)
 */
@XStreamAlias("config")
public class ConfigParameters extends ParameterHolder {
    @XStreamImplicit(itemFieldName = "resource")
    private List<ResourceSettings> resources;

    @XStreamImplicit(itemFieldName = "env")
    private List<Environment> environments;

    public ConfigParameters() {
    }

    public List<Environment> getEnvironments() {
        if (environments == null)
            environments = new ArrayList<Environment>();
        return environments;
    }

    public void setEnvironments(List<Environment> environments) {
        this.environments = environments;
    }

    public void setEnvironment(Environment environment) {
        deleteEnvironment(environment.getName());
        getEnvironments().add(environment);
    }

    public Environment getEnvironment(String env) {
        for (Environment environment: getEnvironments()) {
            if (env.equals(environment.getName()))
                return environment;
        }
        return null;
    }
    public void deleteEnvironment(String name) {
        Iterator<Environment> it = getEnvironments().iterator();
        while (it.hasNext()) {
            if (it.next().getName().equals(name)) {
                it.remove();
            }
        }
    }


    public List<ResourceSettings> getResources() {
        if (resources == null)
            resources = new ArrayList<ResourceSettings>();
        return resources;
    }

    public void setResources(List<ResourceSettings> resources) {
        this.resources = resources;
    }

    public void setResource(ResourceSettings resource) {
        deleteResource(resource.getName());
        getResources().add(resource);
    }

    public ResourceSettings getResource(String name) {
        for (ResourceSettings resource : getResources()) {
            if (resource.getName().equals(name))
                return resource;
        }
        return null;
    }
    public void deleteResource(String name) {
        Iterator<ResourceSettings> it = getResources().iterator();
        while (it.hasNext()) {
            if (it.next().getName().equals(name)) {
                it.remove();
            }
        }
    }

    private static XStream createXStream() {
        XStream xstream = new XStream() {
            protected MapperWrapper wrapMapper(MapperWrapper next) {
                return new MapperWrapper(next) {
                    public boolean shouldSerializeMember(Class definedIn, String fieldName) {
                        return definedIn != Object.class && super.shouldSerializeMember(definedIn, fieldName);
                    }

                };
            }
        };

        xstream.setClassLoader(ConfigParameters.class.getClassLoader());
        xstream.processAnnotations(ParameterSettings.class);
        xstream.processAnnotations(ResourceSettings.class);
        xstream.processAnnotations(Environment.class);
        xstream.processAnnotations(ConfigParameters.class);
        xstream.processAnnotations(ParameterHolder.class);
        return xstream;
    }

    /**
     * Returns a string representation of XML.
     */
    public String toXML() {
        return createXStream().toXML(this);
    }

    public static ConfigParameters parse(String xml) {
        if (xml == null)
            return new ConfigParameters();
        return (ConfigParameters) createXStream().fromXML(xml);
    }
}