musicext.java

一个Mp3在线搜索器

/*
 * MusicExt.java
 *
 * Created on 2008年4月7日, 上午1:53
 */

package biz.tbuy.huliqing.jloading.ext.mp3;

import biz.tbuy.huliqing.jloading.JLoadingException;
import biz.tbuy.huliqing.jloading.TaskManager;
import biz.tbuy.huliqing.jloading.ext.Extension;
import biz.tbuy.huliqing.jloading.mycell.ColumnCellRenderer;
import biz.tbuy.huliqing.share.StringFilter;
import java.awt.Color;
import java.net.URLEncoder;
import java.util.Enumeration;
import java.util.List;
import javax.swing.SwingUtilities;
import javax.swing.table.TableColumn;
import javax.swing.table.TableModel;
/**
 *
 * @author  huliqing
 */
public class MusicExt extends javax.swing.JPanel implements Extension{
        
    /** Creates new form MusicExt */
    public MusicExt() {
        initComponents();
        myInitComponents();
    }
    
    /** 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.
     */
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        jTextField1 = new javax.swing.JTextField();
        jButton1 = new javax.swing.JButton();
        jScrollPane1 = new javax.swing.JScrollPane();
        jTable1 = new javax.swing.JTable();
        jButton2 = new javax.swing.JButton();
        jProgressBar1 = new javax.swing.JProgressBar();

        org.jdesktop.application.ResourceMap resourceMap = org.jdesktop.application.Application.getInstance(jloading.JLoadingApp.class).getContext().getResourceMap(MusicExt.class);
        setBackground(resourceMap.getColor("Form.background")); // NOI18N
        setName("Form"); // NOI18N

        jTextField1.setText(resourceMap.getString("jTextField1.text")); // NOI18N
        jTextField1.setName("jTextField1"); // NOI18N
        jTextField1.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mousePressed(java.awt.event.MouseEvent evt) {
                jTextField1MousePressed(evt);
            }
        });
        jTextField1.addKeyListener(new java.awt.event.KeyAdapter() {
            public void keyPressed(java.awt.event.KeyEvent evt) {
                jTextField1KeyPressed(evt);
            }
        });

        jButton1.setText(resourceMap.getString("jButton1.text")); // NOI18N
        jButton1.setName("jButton1"); // NOI18N
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        jScrollPane1.setName("jScrollPane1"); // NOI18N

        jTable1.setModel(
            new MusicTableModel()
        );
        jTable1.setName("jTable1"); // NOI18N
        jTable1.setShowHorizontalLines(false);
        jTable1.setShowVerticalLines(false);
        jScrollPane1.setViewportView(jTable1);

        jButton2.setText(resourceMap.getString("jButton2.text")); // NOI18N
        jButton2.setToolTipText(resourceMap.getString("jButton2.toolTipText")); // NOI18N
        jButton2.setName("jButton2"); // NOI18N
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton2ActionPerformed(evt);
            }
        });

        jProgressBar1.setName("jProgressBar1"); // NOI18N

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
        this.setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jScrollPane1, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, 533, Short.MAX_VALUE)
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                        .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 243, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                        .addComponent(jButton1)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jButton2)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 37, Short.MAX_VALUE)
                        .addComponent(jProgressBar1, javax.swing.GroupLayout.PREFERRED_SIZE, 81, javax.swing.GroupLayout.PREFERRED_SIZE)))
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                        .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addComponent(jButton1)
                        .addComponent(jButton2))
                    .addComponent(jProgressBar1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 261, Short.MAX_VALUE)
                .addContainerGap())
        );
    }// </editor-fold>//GEN-END:initComponents

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
        search();
    }//GEN-LAST:event_jButton1ActionPerformed

    private void jTextField1MousePressed(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_jTextField1MousePressed
        if (jTextField1.getText().equals("输入关键词")) {
            jTextField1.setText("");
        }
    }//GEN-LAST:event_jTextField1MousePressed

    private void jTextField1KeyPressed(java.awt.event.KeyEvent evt) {//GEN-FIRST:event_jTextField1KeyPressed
        if (evt.getKeyCode() == 10) {
            search();
        }
    }//GEN-LAST:event_jTextField1KeyPressed

    private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton2ActionPerformed
        try {
            addTasks();//GEN-LAST:event_jButton2ActionPerformed
        } catch (JLoadingException ex) {
            System.out.println("添加任务时遇到错误");
        }
    }                                        
    
    
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton jButton1;
    private javax.swing.JButton jButton2;
    private javax.swing.JProgressBar jProgressBar1;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTable jTable1;
    private javax.swing.JTextField jTextField1;
    // End of variables declaration//GEN-END:variables

    // ----------
    
    private void myInitComponents() {
        this.jScrollPane1.getViewport().setBackground(Color.WHITE);
        this.jTable1.setRowHeight(22);
        
        Enumeration<TableColumn> cols = this.jTable1.getColumnModel().getColumns();
        while (cols.hasMoreElements()) {
            cols.nextElement().setCellRenderer(new ColumnCellRenderer());
        }
        
        this.jProgressBar1.setVisible(false);
    }
    
    private void search() {
        search = new Thread(new SearchMp3());
        search.start();
    }
    
    /**
     * 进行MP3搜索
     */
    private class SearchMp3 implements Runnable{
        private int read;
        //private int total;
        Runnable rp1 = new Runnable() {
            
            public void run() {
                jTable1.updateUI();
            }
            
        };
        Runnable rp_onSearch = new Runnable() {
            
            public void run() {
                jProgressBar1.setVisible(true);
                jProgressBar1.setIndeterminate(true);
            }
            
        };
        Runnable rp_onSearchOk = new Runnable() {

            public void run() {
                jProgressBar1.setVisible(false);
                jProgressBar1.setIndeterminate(false);
            }
            
        };
        public void run() {
            if (codeFilter == null) {
                codeFilter = new CodeFilter();
            }
            SwingUtilities.invokeLater(rp_onSearch);
            try {
                String keyword = URLEncoder.encode(jTextField1.getText(), "GBK");
                String uStr = "http://mp3.baidu.com/m?f=ms&tn=baidump3&ct=134217728&lf=&rn=&word=" + keyword + "&lm=-1";
                String listPageCode = StringFilter.getHtmlCode(uStr);
                String[] temp = listPageCode.split("链接速度[\r\n\t]*</th>[\r\n\t]*</tr>[\r\n\t]*<tr>");
                if (temp.length >= 2) { // temp小于2则表示找不到数据
                    temp = temp[1].split("</tr>[\r\n\t]*</table>");
                    temp = temp[0].split("</tr><tr>");
                    if (temp.length > 0 ) {
                        //total = temp.length;
                        MusicTableModel mtm = (MusicTableModel) jTable1.getModel();
                        mtm.clear();
                        for (String group : temp) {
                            read++;
                            MusicModel mm = codeFilter.filter(group);
                            mtm.addValue(mm);
                            SwingUtilities.invokeLater(rp1);
                            //if (read >= 10) break;
                        }
                    }
                }
                SwingUtilities.invokeLater(rp_onSearchOk);
            } catch (Exception e) {
                SwingUtilities.invokeLater(rp_onSearchOk);
                System.out.println("Exception e");
            }
        }
    }
    
    /**
     * 添加任务
     */
    private void addTasks() throws JLoadingException {
        TaskManager tManager = TaskManager.getInstance();
        TableModel tableModel = jTable1.getModel();
        int[] keys = jTable1.getSelectedRows();
        if (tableModel instanceof MusicTableModel) {
            MusicTableModel mtm = (MusicTableModel) tableModel;
            List<MusicModel> musics = mtm.getValues();
            for (int key : keys) {
                MusicModel mm = musics.get(key);
                tManager.addTask(mm.getName(), mm.getUrl());
            }
        }
    }
    
    private Thread search;
    private CodeFilter codeFilter;
}