services.docx.ResolucionServiceDocx.java Source code

Introduction

Here is the source code for services.docx.ResolucionServiceDocx.java

Source

package services.docx;

/*
 *  Copyright 2013~2014 Dan Haywood
 *
 *  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.
 */

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;

import javax.annotation.PostConstruct;

import org.apache.isis.applib.DomainObjectContainer;
import org.apache.isis.applib.annotation.ActionSemantics;
import org.apache.isis.applib.annotation.ActionSemantics.Of;
import org.apache.isis.applib.annotation.CssClass;
import org.apache.isis.applib.annotation.DomainService;
import org.apache.isis.applib.annotation.MemberOrder;
import org.apache.isis.applib.annotation.Named;
import org.apache.isis.applib.annotation.NotContributed;
import org.apache.isis.applib.annotation.NotInServiceMenu;
import org.apache.isis.applib.value.Blob;
import org.docx4j.openpackaging.packages.WordprocessingMLPackage;
import org.isisaddons.module.docx.dom.DocxService;
import org.isisaddons.module.docx.dom.LoadTemplateException;
import org.isisaddons.module.docx.dom.MergeException;
import org.jdom2.Document;
import org.jdom2.Element;
import org.jdom2.JDOMException;
import org.jdom2.output.DOMOutputter;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;

import com.google.common.io.Resources;

import dom.resoluciones.Resoluciones;

@DomainService(repositoryFor = Resoluciones.class)
public class ResolucionServiceDocx {

    // region > init

    private WordprocessingMLPackage wordprocessingMLPackage;

    @PostConstruct
    public void init() throws IOException, LoadTemplateException {
        final byte[] bytes = Resources.toByteArray(Resources.getResource(this.getClass(), "resolucion.docx"));
        wordprocessingMLPackage = docxService.loadPackage(new ByteArrayInputStream(bytes));
    }

    // endregion

    // region > downloadCustomerConfirmation (action)

    @NotContributed(NotContributed.As.ASSOCIATION)
    // ie contributed as action
    @NotInServiceMenu
    @ActionSemantics(Of.SAFE)
    @MemberOrder(sequence = "10")
    @Named("Descargar")
    @CssClass("x-highlight")
    public Blob downloadDocumento(final Resoluciones resolucion) throws IOException, JDOMException, MergeException {

        final org.w3c.dom.Document w3cDocument = asInputW3cDocument(resolucion);

        final ByteArrayOutputStream docxTarget = new ByteArrayOutputStream();
        docxService.merge(w3cDocument, wordprocessingMLPackage, docxTarget, DocxService.MatchingPolicy.LAX);

        final String blobName = "Resolucion-" + resolucion.getNro_resolucion() + ".docx";
        final String blobMimeType = "application/vnd.openxmlformats-officedocument.wordprocessingml.document";
        final byte[] blobBytes = docxTarget.toByteArray();

        return new Blob(blobName, blobMimeType, blobBytes);
    }

    // public boolean hideDownloadDocumento() {
    // if (this.container.getUser().isCurrentUser("root"))
    // return false;
    // else
    // return true;
    // }
    private static org.w3c.dom.Document asInputW3cDocument(Resoluciones resolucion) throws JDOMException {
        Document orderAsHtmlJdomDoc = asInputDocument(resolucion);

        DOMOutputter domOutputter = new DOMOutputter();
        return domOutputter.output(orderAsHtmlJdomDoc);
    }

    private static Document asInputDocument(Resoluciones resolucion) {
        Element html = new Element("html");
        Document document = new Document(html);

        Element body = new Element("body");
        html.addContent(body);
        addPara(body, "titulo", "plain", " RESOLUCION ");

        addPara(body, "nro", "plain", resolucion.getNro_resolucion() + "");
        DateTimeFormatter fmt = DateTimeFormat.forPattern("d MMMM, yyyy");
        addPara(body, "fecha", "plain", resolucion.getFecha().toString(fmt));
        addPara(body, "origen", "plain", resolucion.getSector().getNombre_sector());
        addPara(body, "descripcion", "plain", resolucion.getDescripcion());

        return document;
    }

    // endregion (

    // region > helpers

    private static void addPara(Element body, String id, String clazz, String text) {
        Element p = new Element("p");
        body.addContent(p);
        p.setAttribute("id", id);
        p.setAttribute("class", clazz);
        p.setText(text);
    }

    // region > injected services

    @javax.inject.Inject
    DomainObjectContainer container;

    @javax.inject.Inject
    private DocxService docxService;

    // endregion

}