JProviderMetadataPane.java

/*
 *    Constellation - An open source and standard compliant SDI
 *    http://www.constellation-sdi.org
 *
 * Copyright 2014 Geomatys.
 *
 * 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.
 */
/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

package org.constellation.swing;

import org.apache.sis.metadata.iso.DefaultMetadata;
import org.apache.sis.xml.MarshallerPool;
import org.constellation.admin.service.ConstellationClient;
import org.openide.util.Exceptions;
import org.openide.util.NbBundle;

import javax.swing.*;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.IOException;
import java.io.StringReader;
import java.io.StringWriter;

/**
 *
 * @author guilhem
 */
public class JProviderMetadataPane extends javax.swing.JPanel {

    private final ConstellationClient serverV2;

    private final String providerID;

    private static final MarshallerPool POOL;

    static {
        MarshallerPool candidate = null;
        try {
            candidate = new MarshallerPool(JAXBContext.newInstance(DefaultMetadata.class), null);
        } catch (JAXBException ex) {
            Exceptions.printStackTrace(ex);
        }
        POOL = candidate;
    }
    
    /**
     * Creates new form ProviderMetadataPane
     * 
     * @param serverV2
     * @param providerID
     */
    public JProviderMetadataPane(final ConstellationClient serverV2, final String providerID) {
        initComponents();
        this.serverV2   = serverV2;
        this.providerID = providerID;
        try {
            final Marshaller m = POOL.acquireMarshaller();
            final DefaultMetadata meta = serverV2.providers.getMetadata(providerID);
            if (meta != null) {
                final StringWriter sw = new StringWriter();
                m.marshal(meta, sw);
                metadataArea.setText(sw.toString());
            }
            POOL.recycle(m);
        } catch (IOException | JAXBException ex) {
            Exceptions.printStackTrace(ex);
        }
    }

    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        saveMetadataButton = new JButton();
        jScrollPane2 = new JScrollPane();
        metadataArea = new JTextArea();

        saveMetadataButton.setText(NbBundle.getMessage(JProviderMetadataPane.class, "save")); // NOI18N
        saveMetadataButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent evt) {
                saveMetadataButtonActionPerformed(evt);
            }
        });

        metadataArea.setColumns(20);
        metadataArea.setRows(5);
        jScrollPane2.setViewportView(metadataArea);

        GroupLayout layout = new GroupLayout(this);
        this.setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(GroupLayout.Alignment.LEADING)
                    .addComponent(jScrollPane2, GroupLayout.DEFAULT_SIZE, 917, Short.MAX_VALUE)
                    .addGroup(layout.createSequentialGroup()
                        .addGap(0, 0, Short.MAX_VALUE)
                        .addComponent(saveMetadataButton)))
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jScrollPane2, GroupLayout.PREFERRED_SIZE, 550, GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(saveMetadataButton)
                .addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
    }// </editor-fold>//GEN-END:initComponents

    private void saveMetadataButtonActionPerformed(ActionEvent evt) {//GEN-FIRST:event_saveMetadataButtonActionPerformed
        final String metadataXML = metadataArea.getText();
        try {
            final Unmarshaller um = POOL.acquireUnmarshaller();
            final DefaultMetadata metadata = (DefaultMetadata) um.unmarshal(new StringReader(metadataXML));
            POOL.recycle(um);
            serverV2.providers.saveMetadata(providerID, metadata);
        } catch (IOException | JAXBException ex) {
            Exceptions.printStackTrace(ex);
        }
    }//GEN-LAST:event_saveMetadataButtonActionPerformed


    // Variables declaration - do not modify//GEN-BEGIN:variables
    private JScrollPane jScrollPane2;
    private JTextArea metadataArea;
    private JButton saveMetadataButton;
    // End of variables declaration//GEN-END:variables
}