smartGWT dome data integration with XML

1.前端代码

/*
 * Smart GWT (GWT for SmartClient)
 * Copyright 2008 and beyond, Isomorphic Software, Inc.
 *
 * Smart GWT is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version 3
 * as published by the Free Software Foundation.  Smart GWT is also
 * available under typical commercial license terms - see
 * http://smartclient.com/license
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 */

import com.smartgwt.client.data.DataSource;
import com.smartgwt.client.data.fields.DataSourceTextField;
import com.smartgwt.client.types.DSDataFormat;
import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.grid.ListGrid;

public class XmlXPathSample implements EntryPoint {

    public void onModuleLoad() {
        DataSource dataSource = new DataSource();
        dataSource.setDataFormat(DSDataFormat.XML);
        dataSource.setRecordXPath("//contact");
        dataSource.setDataURL("data/dataIntegration/xml/contactsData.xml");

        DataSourceTextField nameField = new DataSourceTextField("name", "Name");
        DataSourceTextField emailField = new DataSourceTextField("email", "Email");
        DataSourceTextField orgField = new DataSourceTextField("organization", "Organization");
        DataSourceTextField phoneField = new DataSourceTextField("phone", "Phone");

        DataSourceTextField streetField = new DataSourceTextField("street", "Street");
        streetField.setValueXPath("address/street");

        DataSourceTextField cityField = new DataSourceTextField("city", "City");
        cityField.setValueXPath("address/city");

        DataSourceTextField stateField = new DataSourceTextField("state", "State");
        stateField.setValueXPath("address/state");

        DataSourceTextField zipField = new DataSourceTextField("zip", "Zip");
        zipField.setValueXPath("address/zip");

        dataSource.setFields(nameField, emailField, orgField, phoneField, streetField,cityField, stateField, zipField);

        ListGrid grid = new ListGrid();
        grid.setDataSource(dataSource);
        grid.setWidth100();
        grid.setHeight(100);
        grid.setAutoFetchData(true);
        grid.draw();
    }

}

2.所需要的XML数据

<contacts>
<contact>
<name>Bob Smith</name>
<email>[e-mail]</email>
<organization>Bob Co.</organization>
<phone>555-1212</phone>
<address>
<street>55 bob lane</street>
<city>New York</city>
<state>NY</state>
<zip>10021</zip>
</address>
</contact>
<contact>
<name>Emily Smith</name>
<email>[e-mail]</email>
<organization>Bob Co.</organization>
<phone>555-1212</phone>
<address>
<street>55 bob lane</street>
<city>New York</city>
<state>NY</state>
<zip>10021</zip>
</address>
</contact>
<contact>
<name>Jim Smith</name>
<email>[e-mail]</email>
<organization>Acme rockets</organization>
<phone>655-2345</phone>
<address>
<street>66 New Montgomery St.</street>
<city>San Francisco</city>
<state>CA</state>
<zip>94105</zip>
</address>
</contact>
</contacts>