Author: craigmcc
Date: Sat Feb 4 17:06:42 2006
New Revision: 374955
URL: http://svn.apache.org/viewcvs?rev=374955&view=rev
Log:
Example now works with the RI's version of UIData and ResultSetDataModel,
but not with the MyFaces version. Need to investigate that further.
Modified:
struts/shale/trunk/sql-browser/src/java/org/apache/shale/examples/sqlbrowser/Query.java
struts/shale/trunk/sql-browser/src/web/query.jsp
Modified:
struts/shale/trunk/sql-browser/src/java/org/apache/shale/examples/sqlbrowser/Query.java
URL:
http://svn.apache.org/viewcvs/struts/shale/trunk/sql-browser/src/java/org/apache/shale/examples/sqlbrowser/Query.java?rev=374955&r1=374954&r2=374955&view=diff
==============================================================================
---
struts/shale/trunk/sql-browser/src/java/org/apache/shale/examples/sqlbrowser/Query.java
(original)
+++
struts/shale/trunk/sql-browser/src/java/org/apache/shale/examples/sqlbrowser/Query.java
Sat Feb 4 17:06:42 2006
@@ -27,6 +27,7 @@
import java.util.List;
import javax.faces.application.FacesMessage;
import javax.faces.component.UIColumn;
+import javax.faces.component.UIComponent;
import javax.faces.component.html.HtmlDataTable;
import javax.faces.component.html.HtmlOutputText;
import javax.faces.context.FacesContext;
@@ -34,6 +35,7 @@
import javax.sql.DataSource;
import org.apache.shale.tiger.managed.Bean;
import org.apache.shale.tiger.managed.Scope;
+import org.apache.shale.tiger.view.Destroy;
import org.apache.shale.tiger.view.Prerender;
import org.apache.shale.tiger.view.View;
@@ -48,6 +50,24 @@
// ------------------------------------------------------ Instance
Variables
+ /**
+ * <p>The JDBC connection we will be using.</p>
+ */
+ private Connection conn = null;
+
+
+ /**
+ * <p>The JDBC result set we will be using.</p>
+ */
+ private ResultSet rs = null;
+
+
+ /**
+ * <p>The JDBC statement we will be using.</p>
+ */
+ private PreparedStatement stmt = null;
+
+
// ---------------------------------------------------------- JSF
Properties
@@ -150,9 +170,6 @@
// Perform the query and dynamically set up the results
FacesContext context = FacesContext.getCurrentInstance();
- Connection conn = null;
- PreparedStatement stmt = null;
- ResultSet rs = null;
try {
// Look up the appropriate data source
@@ -174,13 +191,12 @@
ResultSetMetaData rsmd = rs.getMetaData();
System.err.println("prerender(): There are " +
rsmd.getColumnCount() + " columns");
- // Wire up our table binding
- System.err.println("prerender(): Wiring up our table binding");
- resultSetDataModel = new ResultSetDataModel();
- resultSetDataModel.setWrappedData(rs);
- results.setValueBinding("value",
-
context.getApplication().createValueBinding("#{query.resultSetDataModel}"));
+ // Set up the data model for our result set
+ System.err.println("prerender(): Wiring up our data model");
+ resultSetDataModel = new ResultSetDataModel(rs);
System.err.println("prerender(): There are " +
resultSetDataModel.getRowCount() + " rows");
+ results.setFirst(0);
+ results.setRows(10);
// Dynamically create columns as needed
System.err.println("prerender(): Dynamically creating columns");
@@ -189,6 +205,7 @@
for (int i = 1; i <= rsmd.getColumnCount(); i++) { // SQL stuff is
one-relative
System.err.println("prerender(): Adding column '" +
rsmd.getColumnName(i) + "'");
UIColumn column = new UIColumn();
+ column.setId("column" + i);
children.add(column);
HtmlOutputText header = new HtmlOutputText();
String label = rsmd.getColumnLabel(i);
@@ -198,55 +215,110 @@
header.setValue(label);
column.setHeader(header);
HtmlOutputText data = new HtmlOutputText();
- column.getChildren().add(data);
+ data.setId("data" + i);
data.setValueBinding("value",
- context.getApplication().createValueBinding("#{currentRow['"
+ rsmd.getColumnName(i) + "']}"));
+ context.getApplication().createValueBinding("#{current['" +
rsmd.getColumnName(i) + "']}"));
+ System.err.println("prerender(): Value binding is " +
data.getValueBinding("value").getExpressionString());
+ column.getChildren().add(data);
+ }
+
+ // Position to first row to ensure that we can
+ System.err.println("prerender(): Check positionability of initial
rows");
+ for (int i = 0; i < 10; i++) {
+ resultSetDataModel.setRowIndex(i);
+ System.err.println("prerender(): Row " + i + " exists? " +
resultSetDataModel.isRowAvailable());
+ if (!resultSetDataModel.isRowAvailable()) {
+ break;
+ }
+ System.err.println("prerender(): Row " + i + " data: " +
resultSetDataModel.getRowData());
}
- } catch (SQLException e) {
+ // Set the completed flag to indicate that we should display the
results
+ System.err.println("prerender(): Marking request as completed");
+ completed = true;
+
+ } catch (Exception e) {
+ System.err.println("prerender(): Encountered Exception");
+ e.printStackTrace(System.err);
context.addMessage
(null, new FacesMessage("Exception executing this query: " + e));
while (e != null) {
context.getExternalContext().
log("Exception executing this query", e);
- e = e.getNextException();
+ if (e instanceof SQLException) {
+ e = ((SQLException) e).getNextException();
+ } else {
+ e = null;
+ }
}
setCompleted(false);
- } finally {
+ }
+
+ }
- // Close the result set (if any) that we opened
- if (rs != null) {
- try {
- rs.close();
- } catch (SQLException e) {
- ;
- }
- }
- // Close the statement (if any) that we opened
- if (stmt != null) {
- try {
- stmt.close();
- } catch (SQLException e) {
- ;
- }
+ /**
+ * <p>Clean up after rendering is complete, and close the connection
+ * (which returns it to the connection pool).</p>
+ */
+ @Destroy
+ public void destroy() {
+
+ System.err.println("destroy(): Clean up after rendering completed");
+ System.err.println("destroy(): There were " +
resultSetDataModel.getRowCount() + " rows");
+
+ // Close the result set (if any) that we opened
+ if (rs != null) {
+ try {
+ System.err.println("destroy(): Closing result set");
+ rs.close();
+ } catch (SQLException e) {
+ System.err.println("destroy(): Exception closing result set");
+ e.printStackTrace(System.err);
}
+ }
- // Close the connection (if any) that we opened
- if (conn != null) {
- try {
- conn.close();
- } catch (SQLException e) {
- ;
- }
+ // Close the statement (if any) that we opened
+ if (stmt != null) {
+ try {
+ System.err.println("destroy(): Closing statement");
+ stmt.close();
+ } catch (SQLException e) {
+ System.err.println("destroy(): Exception closing statement");
+ e.printStackTrace(System.err);
}
+ }
+ // Close the connection (if any) that we opened
+ if (conn != null) {
+ try {
+ System.err.println("destroy(): Closing connection");
+ conn.close();
+ } catch (SQLException e) {
+ System.err.println("destroy(): Exception closing connection");
+ e.printStackTrace(System.err);
+ }
}
- // Set the completed flag to indicate that we should display the
results
- completed = true;
+ System.err.println("destroy(): Walk component tree for the table");
+ walk(FacesContext.getCurrentInstance(), results, 0);
+ System.err.println("destroy(): All done");
+
+ }
+
+
+ private void walk(FacesContext context, UIComponent component, int indent)
{
+
+ for (int i = 0; i < indent; i++) {
+ System.err.print(" ");
+ }
+ System.err.println("clientId=" + component.getClientId(context) + ",
type=" + component.getClass());
+ Iterator kids = component.getChildren().iterator();
+ while (kids.hasNext()) {
+ walk(context, (UIComponent) kids.next(), indent + 2);
+ }
}
Modified: struts/shale/trunk/sql-browser/src/web/query.jsp
URL:
http://svn.apache.org/viewcvs/struts/shale/trunk/sql-browser/src/web/query.jsp?rev=374955&r1=374954&r2=374955&view=diff
==============================================================================
--- struts/shale/trunk/sql-browser/src/web/query.jsp (original)
+++ struts/shale/trunk/sql-browser/src/web/query.jsp Sat Feb 4 17:06:42 2006
@@ -77,7 +77,8 @@
<h:dataTable id="results"
binding="#{query.results}"
rendered="#{query.completed}"
- var="currentRow"/>
+ value="#{query.resultSetDataModel}"
+ var="current"/>
</h:panelGrid>
---------------------------------------------------------------------
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
