org.eclipse.winery.repository.resources.API.APIResource.java Source code

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Here is the source code for org.eclipse.winery.repository.resources.API.APIResource.java

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/*******************************************************************************
 * Copyright (c) 2015 University of Stuttgart.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * and the Apache License 2.0 which both accompany this distribution,
 * and are available at http://www.eclipse.org/legal/epl-v10.html
 * and http://www.apache.org/licenses/LICENSE-2.0
 *
 * Contributors:
 *     Oliver Kopp - initial API and implementation
 *******************************************************************************/
/*
 * Modifications Copyright 2016 ZTE Corporation.
 */

package org.eclipse.winery.repository.resources.API;

import java.io.FileInputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Properties;

import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.Status;
import javax.xml.namespace.QName;

import org.apache.commons.lang3.StringUtils;
import org.eclipse.winery.common.ids.definitions.ServiceTemplateId;
import org.eclipse.winery.model.tosca.TNodeTemplate;
import org.eclipse.winery.repository.backend.BackendUtils;
import org.eclipse.winery.repository.backend.Repository;
import org.eclipse.winery.repository.datatypes.select2.Select2DataWithOptGroups;
import org.eclipse.winery.repository.ext.overview.ServiceTemplatesOverviewResource;
import org.eclipse.winery.repository.ext.repository.RepositoryResouce;
import org.eclipse.winery.repository.resources.servicetemplates.ServiceTemplateResource;
import org.slf4j.ext.XLogger;
import org.slf4j.ext.XLoggerFactory;

import com.google.gson.Gson;

public class APIResource {

    private static final XLogger logger = XLoggerFactory.getXLogger(APIResource.class);

    @GET
    @Path("getallartifacttemplatesofcontaineddeploymentartifacts")
    @Produces(MediaType.APPLICATION_JSON)
    public Response getAllArtifactTemplatesOfContainedDeploymentArtifacts(
            @QueryParam("servicetemplate") String serviceTemplateQNameString,
            @QueryParam("nodetemplateid") String nodeTemplateId) {
        if (StringUtils.isEmpty(serviceTemplateQNameString)) {
            return Response.status(Status.BAD_REQUEST).entity("servicetemplate has be given as query parameter")
                    .build();
        }

        QName serviceTemplateQName = QName.valueOf(serviceTemplateQNameString);

        ServiceTemplateId serviceTemplateId = new ServiceTemplateId(serviceTemplateQName);
        if (!Repository.INSTANCE.exists(serviceTemplateId)) {
            return Response.status(Status.BAD_REQUEST).entity("service template does not exist").build();
        }
        ServiceTemplateResource serviceTemplateResource = new ServiceTemplateResource(serviceTemplateId);

        Collection<QName> artifactTemplates = new ArrayList<>();
        List<TNodeTemplate> allNestedNodeTemplates = BackendUtils
                .getAllNestedNodeTemplates(serviceTemplateResource.getServiceTemplate());
        for (TNodeTemplate nodeTemplate : allNestedNodeTemplates) {
            if (StringUtils.isEmpty(nodeTemplateId) || nodeTemplate.getId().equals(nodeTemplateId)) {
                Collection<QName> ats = BackendUtils
                        .getArtifactTemplatesOfReferencedDeploymentArtifacts(nodeTemplate);
                artifactTemplates.addAll(ats);
            }
        }

        // convert QName list to select2 data
        Select2DataWithOptGroups res = new Select2DataWithOptGroups();
        for (QName qName : artifactTemplates) {
            res.add(qName.getNamespaceURI(), qName.toString(), qName.getLocalPart());
        }
        return Response.ok().entity(res.asSortedSet()).build();
    }

    /**
     * Implementation similar to getAllArtifactTemplatesOfContainedDeploymentArtifacts. Only
     * difference is "getArtifactTemplatesOfReferencedImplementationArtifacts" instead of
     * "getArtifactTemplatesOfReferencedDeploymentArtifacts".
     */
    @GET
    @Path("getallartifacttemplatesofcontainedimplementationartifacts")
    @Produces(MediaType.APPLICATION_JSON)
    public Response getAllArtifactTemplatesOfContainedImplementationArtifacts(
            @QueryParam("servicetemplate") String serviceTemplateQNameString,
            @QueryParam("nodetemplateid") String nodeTemplateId) {
        if (StringUtils.isEmpty(serviceTemplateQNameString)) {
            return Response.status(Status.BAD_REQUEST).entity("servicetemplate has be given as query parameter")
                    .build();
        }
        QName serviceTemplateQName = QName.valueOf(serviceTemplateQNameString);

        ServiceTemplateId serviceTemplateId = new ServiceTemplateId(serviceTemplateQName);
        if (!Repository.INSTANCE.exists(serviceTemplateId)) {
            return Response.status(Status.BAD_REQUEST).entity("service template does not exist").build();
        }
        ServiceTemplateResource serviceTemplateResource = new ServiceTemplateResource(serviceTemplateId);

        Collection<QName> artifactTemplates = new ArrayList<>();
        List<TNodeTemplate> allNestedNodeTemplates = BackendUtils
                .getAllNestedNodeTemplates(serviceTemplateResource.getServiceTemplate());
        for (TNodeTemplate nodeTemplate : allNestedNodeTemplates) {
            if (StringUtils.isEmpty(nodeTemplateId) || nodeTemplate.getId().equals(nodeTemplateId)) {
                Collection<QName> ats = BackendUtils
                        .getArtifactTemplatesOfReferencedImplementationArtifacts(nodeTemplate);
                artifactTemplates.addAll(ats);
            }
        }

        // convert QName list to select2 data
        Select2DataWithOptGroups res = new Select2DataWithOptGroups();
        for (QName qName : artifactTemplates) {
            res.add(qName.getNamespaceURI(), qName.toString(), qName.getLocalPart());
        }
        return Response.ok().entity(res.asSortedSet()).build();
    }

    @Path("templates/")
    public RepositoryResouce getRepositoryResource() {
        return new RepositoryResouce();
    }

    @Path("templatesoverview/")
    public ServiceTemplatesOverviewResource getOverviweResource() {
        return new ServiceTemplatesOverviewResource();
    }

    @GET
    @Path("commonConfig")
    @Produces(MediaType.APPLICATION_JSON)
    public Properties getCommonConfig() {
        String path = this.getClass().getResource("/").getPath();
        String websiteURL = (path.replace("/build/classes", "").replace("%20", " ").replace("classes/", "")
                + "common_config.properties");
        Properties properties = new Properties();
        FileInputStream fileInputStream = null;
        try {
            fileInputStream = new FileInputStream(websiteURL);
            properties.load(fileInputStream);
        } catch (Exception e) {
            logger.error("load repository_conf.properties error", e);
        } finally {
            try {
                if (fileInputStream != null)
                    fileInputStream.close();
            } catch (IOException e) {
                logger.error(e.getMessage());
            }
        }
        return properties;
    }
}