searchcontroller.jpf

weblogic+j2ee构建音乐网站(原代码＋数据库) src.zip: Workshop 8.1 工程 db.zip: 数据库备份

package search;
import com.bea.wlw.netui.pageflow.FormData;
import com.bea.wlw.netui.pageflow.Forward;
import com.bea.wlw.netui.pageflow.PageFlowController;
import java.util.Collection;
import music.web.MusicViewBD;

/**
 * @jpf:controller
 * @jpf:view-properties view-properties::
 * <!-- This data is auto-generated. Hand-editing this section is not recommended. -->
 * <view-properties>
 * <pageflow-object id="pageflow:/search/SearchController.jpf"/>
 * <pageflow-object id="action:begin.do">
 *   <property value="60" name="x"/>
 *   <property value="160" name="y"/>
 * </pageflow-object>
 * <pageflow-object id="action:searchSong.do#search.SearchController.SearchSongForm">
 *   <property value="300" name="x"/>
 *   <property value="160" name="y"/>
 * </pageflow-object>
 * <pageflow-object id="page:search.jsp">
 *   <property value="180" name="x"/>
 *   <property value="160" name="y"/>
 * </pageflow-object>
 * <pageflow-object id="page:result.jsp">
 *   <property value="300" name="x"/>
 *   <property value="280" name="y"/>
 * </pageflow-object>
 * <pageflow-object id="page:failure.jsp">
 *   <property value="300" name="x"/>
 *   <property value="40" name="y"/>
 * </pageflow-object>
 * <pageflow-object id="forward:path#success#search.jsp#@action:begin.do@">
 *   <property value="96,120,120,144" name="elbowsX"/>
 *   <property value="151,151,151,151" name="elbowsY"/>
 *   <property value="East_1" name="fromPort"/>
 *   <property value="West_1" name="toPort"/>
 *   <property value="success" name="label"/>
 * </pageflow-object>
 * <pageflow-object id="forward:path#success#result.jsp#@action:searchSong.do#search.SearchController.SearchSongForm@">
 *   <property value="300,300,300,300" name="elbowsX"/>
 *   <property value="205,220,220,235" name="elbowsY"/>
 *   <property value="South_1" name="fromPort"/>
 *   <property value="North_1" name="toPort"/>
 *   <property value="success" name="label"/>
 * </pageflow-object>
 * <pageflow-object id="forward:path#failure#failure.jsp#@action:searchSong.do#search.SearchController.SearchSongForm@">
 *   <property value="300,300,300,300" name="elbowsX"/>
 *   <property value="115,100,100,85" name="elbowsY"/>
 *   <property value="North_1" name="fromPort"/>
 *   <property value="South_1" name="toPort"/>
 *   <property value="failure" name="label"/>
 * </pageflow-object>
 * <pageflow-object id="formbeanprop:search.SearchController.SearchSongForm#title#java.lang.String"/>
 * <pageflow-object id="formbeanprop:search.SearchController.SearchSongForm#exactly#boolean"/>
 * <pageflow-object id="formbean:search.SearchController.SearchSongForm"/>
 * <pageflow-object id="action-call:@page:search.jsp@#@action:searchSong.do#search.SearchController.SearchSongForm@">
 *   <property value="216,240,240,264" name="elbowsX"/>
 *   <property value="151,151,151,151" name="elbowsY"/>
 *   <property value="East_1" name="fromPort"/>
 *   <property value="West_1" name="toPort"/>
 * </pageflow-object>
 * <pageflow-object id="action-call:@page:failure.jsp@#@action:begin.do@">
 *   <property value="264,60,60,60" name="elbowsX"/>
 *   <property value="31,31,73,115" name="elbowsY"/>
 *   <property value="West_1" name="fromPort"/>
 *   <property value="North_1" name="toPort"/>
 * </pageflow-object>
 * <pageflow-object id="action-call:@page:result.jsp@#@action:begin.do@">
 *   <property value="264,60,60,60" name="elbowsX"/>
 *   <property value="271,271,238,205" name="elbowsY"/>
 *   <property value="West_1" name="fromPort"/>
 *   <property value="South_1" name="toPort"/>
 * </pageflow-object>
 * </view-properties>
 * ::
 */
public class SearchController extends PageFlowController
{
    public Collection result = null;
    public String errorMessage = null;

    // Uncomment this declaration to access Global.app.
    // 
    //     protected global.Global globalApp;
    // 

    // For an example of page flow exception handling see the example "catch" and "exception-handler"
    // annotations in {project}/WEB-INF/src/global/Global.app

    /**
     * This method represents the point of entry into the pageflow
     * @jpf:action
     * @jpf:forward name="success" path="search.jsp"
     */
    protected Forward begin()
    {
        return new Forward("success");
    }

    /**
     * @jpf:action
     * @jpf:forward name="success" path="result.jsp"
     * @jpf:forward name="failure" path="failure.jsp"
     */
    protected Forward searchSong(SearchSongForm form)
    {
        try {
            this.result = MusicViewBD.searchSongs(form.getTitle());
        }
        catch(Exception e) {
            this.errorMessage = e.getMessage();
            return new Forward("failure");
        }
        return new Forward("success");
    }

    /**
     * FormData get and set methods may be overwritten by the Form Bean editor.
     */
    public static class SearchSongForm extends FormData
    {
        private String title;
        private boolean exactly = false;

        public String getTitle() { return this.title; }
        public void setTitle(String title) { this.title = title; }

        public boolean getExactly() { return this.exactly; }
        public void setExactly(boolean exactly) { this.exactly = exactly; }
    }
}