/*
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* Copyright ${year}, Red Hat, Inc. and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* 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.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.ajax4jsf.webapp.taglib;
import java.io.ByteArrayInputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import javax.el.ELContext;
import javax.el.MethodExpression;
import javax.el.MethodInfo;
import javax.faces.component.StateHolder;
import javax.faces.context.FacesContext;
import org.ajax4jsf.tests.AbstractAjax4JsfTestCase;
import org.apache.commons.io.output.ByteArrayOutputStream;
import com.sun.faces.application.MethodBindingMethodExpressionAdapter;
/**
* @author Nick Belaevski
*
*/
public class MethodBindingMethodExpressionAdaptorTest extends
AbstractAjax4JsfTestCase {
public MethodBindingMethodExpressionAdaptorTest(String name) {
super(name);
}
public static class TestMethodExpression extends MethodExpression {
/**
*
*/
private static final long serialVersionUID = -8789388146351873628L;
private String returnValue;
public TestMethodExpression() {
this(null);
}
public TestMethodExpression(String returnValue) {
super();
this.returnValue = returnValue;
}
public String getReturnValue() {
return returnValue;
}
public void setReturnValue(String returnValue) {
this.returnValue = returnValue;
}
@Override
public MethodInfo getMethodInfo(ELContext context) {
return null;
}
@Override
public Object invoke(ELContext context, Object[] params) {
return returnValue;
}
@Override
public boolean equals(Object obj) {
return false;
}
@Override
public String getExpressionString() {
return null;
}
@Override
public int hashCode() {
return 0;
}
@Override
public boolean isLiteralText() {
return false;
}
}
public static final class StateHolderTestMethodExpression extends TestMethodExpression
implements StateHolder {
/**
*
*/
private static final long serialVersionUID = 4430232388824229636L;
public StateHolderTestMethodExpression() {
super();
}
public StateHolderTestMethodExpression(String string) {
super(string);
}
public boolean isTransient() {
return false;
}
public void restoreState(FacesContext context, Object state) {
setReturnValue((String) state);
}
public Object saveState(FacesContext context) {
return getReturnValue();
}
public void setTransient(boolean newTransientValue) {
}
}
private MethodBindingMethodExpressionAdapter saveRestoreState(
MethodBindingMethodExpressionAdapter adaptor) {
MethodBindingMethodExpressionAdapter restoredAdaptor = new MethodBindingMethodExpressionAdapter();
restoredAdaptor.restoreState(facesContext, adaptor
.saveState(facesContext));
return restoredAdaptor;
}
private MethodBindingMethodExpressionAdapter serializeDeserialize(
MethodBindingMethodExpressionAdapter adaptor) throws Exception {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream(baos);
try {
oos.writeObject(adaptor);
} finally {
oos.close();
}
ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(
baos.toByteArray()));
try {
return (MethodBindingMethodExpressionAdapter) ois.readObject();
} finally {
ois.close();
}
}
public void testSaveRestoreState() throws Exception {
MethodBindingMethodExpressionAdapter adaptor1 = new MethodBindingMethodExpressionAdapter(
new TestMethodExpression("testValue1"));
assertEquals("testValue1", saveRestoreState(adaptor1).invoke(facesContext, null));
MethodBindingMethodExpressionAdapter adaptor2 = new MethodBindingMethodExpressionAdapter(
new StateHolderTestMethodExpression("testValue2"));
assertEquals("testValue2", saveRestoreState(adaptor2).invoke(facesContext, null));
}
public void testSerializeDeserialize() throws Exception {
MethodBindingMethodExpressionAdapter adaptor1 = new MethodBindingMethodExpressionAdapter(
new TestMethodExpression("testValue1"));
assertEquals("testValue1", serializeDeserialize(adaptor1).invoke(facesContext, null));
MethodBindingMethodExpressionAdapter adaptor2 = new MethodBindingMethodExpressionAdapter(
new StateHolderTestMethodExpression("testValue2"));
assertEquals("testValue2", serializeDeserialize(adaptor2).invoke(facesContext, null));
}
}