h:commandLink – How to pass Parameter to next page?

  • Topic : Java Server Faces (JSF)
  • Environment : J2EE 5.0, MyFaces 1.1.5

commandLink.jsp

also read:


<!--
   Source : www.javabeat.net
-->



<html>
    <body>
          <f:view>
              <h:form id="commandLink">
                  <h:commandLink value="Test Link" action="#{commandLinkBean.linkIt}">
                      <f:param name="param1" value="ParamValue1" />
                      <f:param name="param2" value="ParamValue2" />
                  </h:commandLink>
              </h:form>
          </f:view>
    </body>
</html>

CommandLinkBean.java


/**
 * Source : www.javabeat.net
 * */
package net.javabeat.myfaces.nav;

public class CommandLinkBean {
    private String param1;
    private String param2;
    public CommandLinkBean() {

    }
    public String getParam1() {
        return param1;
    }

    public String getParam2() {
        return param2;
    }

    public void setParam2(String param2) {
        this.param2 = param2;
    }

    public void setParam1(String param1) {
        this.param1 = param1;
    }

    public String linkIt(){
        return "commandLink";
    }
}

faces-config.xml


<managed-bean>
        <managed-bean-name>
            commandLinkBean
        </managed-bean-name>
        <managed-bean-class>
            net.javabeat.myfaces.nav.CommandLinkBean
        </managed-bean-class>
        <managed-bean-scope>
            request
        </managed-bean-scope>
        <managed-property>
            <property-name>param1</property-name>
            <value>#{param.param1}</value>
        </managed-property>
        <managed-property>
            <property-name>param2</property-name>
            <value>#{param.param2}</value>
        </managed-property>
    </managed-bean>
    <navigation-rule>
        <navigation-case>
            <from-outcome>
                commandLink
            </from-outcome>
            <to-view-id>
                /pages/nav/commandLinkResult.jsp
            </to-view-id>
        </navigation-case>
    </navigation-rule>

commandLinkResult.jsp


<!--
   Source : www.javabeat.net
-->



<html>
    <body>
          <f:view>
              <h:form id="commandLink">
                  <h:outputText value="#{commandLinkBean.param1}"/>
                  <h:outputText value="#{commandLinkBean.param2}"/>
              </h:form>
          </f:view>
    </body>
</html>

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About Krishna Srinivasan

He is Founder and Chief Editor of JavaBeat. He has more than 8+ years of experience on developing Web applications. He writes about Spring, DOJO, JSF, Hibernate and many other emerging technologies in this blog.

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