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package com.sun.faces.application;
import javax.el.ELContext;
import javax.el.MethodExpression;
import javax.el.MethodInfo;
import javax.el.ExpressionFactory;
import javax.el.ValueExpression;
import javax.faces.context.ExternalContext;
import javax.faces.context.FacesContext;
import javax.faces.el.EvaluationException;
import javax.faces.el.MethodBinding;
import javax.faces.el.MethodNotFoundException;
import javax.faces.el.ValueBinding;
import javax.faces.el.PropertyNotFoundException;
import com.sun.faces.cactus.ServletFacesTestCase;
/**
* This test case will validate the various adapter classes
* found in jsf-api/template-src
*/
@SuppressWarnings("deprecation")
public class TestAdapters extends ServletFacesTestCase {
ExpressionFactory factory;
public TestAdapters() {
super("TestAdapters");
}
public TestAdapters(String name) {
super(name);
}
@Override public void setUp() {
try {
factory = (ExpressionFactory)
Class.forName("com.sun.el.ExpressionFactoryImpl").newInstance();
} catch (Exception e) {
System.out.println(e);
}
super.setUp();
}
@Override public void tearDown() {
super.tearDown();
}
// ------------------------------------------------------------ Test Methods
public void testMEMBAdapterTest() throws Exception {
// Phase 1
// - validate NPEs are thrown as expected
TestMethodBinding binding = new TestMethodBinding("#{simple.invoke}",
Double.class,
new MySimpleBean());
MethodExpressionMethodBindingAdapter meAdapter =
new MethodExpressionMethodBindingAdapter(binding);
FacesContext fContext = getFacesContext();
ExternalContext extContext = fContext.getExternalContext();
TestMethodExpression methodExpr = new TestMethodExpression("invoke",
"#{foo.invoke}",
Double.class,
new Class[] { String.class },
new MySimpleBean());
TestMethodExpression falseExpr = new TestMethodExpression("invoke",
"#{foo.invoke}",
String.class,
new Class[] { String.class },
new MySimpleBean());
extContext.getRequestMap().put("simple", new MySimpleBean());
// Phase 1
// - validate NPEs are thrown as expected
try {
meAdapter.getMethodInfo(null);
assertTrue(false);
} catch (Exception e) {
if (!(e instanceof NullPointerException)) {
assertTrue(false);
}
}
try {
meAdapter.invoke(null, new Object[] { "1.4" });
} catch (Exception e) {
if (!(e instanceof NullPointerException)) {
assertTrue(false);
}
}
// Phase 2
// - validate methods with correct input
MethodInfo info = meAdapter.getMethodInfo(fContext.getELContext());
assertTrue(Double.class.equals(info.getReturnType()));
Object obj = meAdapter.invoke(fContext.getELContext(), new Object[] { "1.3" });
assertTrue (obj instanceof Double);
assertTrue ("1.3".equals(obj.toString()));
// Phase 3
// - validate the equals() method
assertTrue(!meAdapter.equals(null));
// if the reference is to the same object, it should return true
assertTrue(meAdapter.equals(meAdapter));
// if the argument passed is another MethodExpressionMethodBindingAdapter
// with the same binding, it should return true
MethodExpressionMethodBindingAdapter meTrue =
new MethodExpressionMethodBindingAdapter(binding);
MethodExpressionMethodBindingAdapter meFalse =
new MethodExpressionMethodBindingAdapter(new TestMethodBinding("#{foo.invoke}",
String.class,
new MySimpleBean()));
assertTrue(meAdapter.equals(meTrue));
assertTrue(!meAdapter.equals(meFalse));
// if a MethodBinding is provided, then a little more work will
// be performed - ensure this works
if (factory != null) {
ApplicationAssociate.getInstance(extContext).setExpressionFactory(factory);
assertTrue(meAdapter.equals(methodExpr));
assertTrue(!meAdapter.equals(falseExpr));
}
}
public void testMBMEAdapterTest() throws Exception {
TestMethodExpression expression = new TestMethodExpression("invoke",
"#{simple.invoke}",
Double.class,
new Class[] { String.class },
new MySimpleBean());
MethodBindingMethodExpressionAdapter mbAdapter =
new MethodBindingMethodExpressionAdapter(expression);
FacesContext fContext = getFacesContext();
ExternalContext extContext = fContext.getExternalContext();
TestMethodBinding methodBinding = new TestMethodBinding("#{foo.invoke}",
Double.class,
new MySimpleBean());
TestMethodBinding falseBinding = new TestMethodBinding("#{foo.invoke}",
String.class,
new MySimpleBean());
extContext.getRequestMap().put("foo", new MySimpleBean());
// Phase 1
// - validate NPEs are thrown as expected
try {
mbAdapter.getType(null);
assertTrue(false);
} catch (Exception e) {
if (!(e instanceof NullPointerException)) {
assertTrue(false);
}
}
try {
mbAdapter.invoke(null, new Object[]{ "" });
assertTrue(false);
} catch (Exception e) {
if (!(e instanceof NullPointerException)) {
assertTrue(false);
}
}
// Phase 2
// - validate methods with correct input
assertTrue(Double.class.equals(mbAdapter.getType(fContext)));
Object obj = mbAdapter.invoke(fContext, new Object[] { "1.3" });
assertTrue (obj instanceof Double);
assertTrue ("1.3".equals(obj.toString()));
// Phase 3
// - validate the equals() method
assertTrue(!mbAdapter.equals(null));
// if the reference is to the same object, it should return true
assertTrue(mbAdapter.equals(mbAdapter));
// if the argument passed is another MethodExpressionMethodBindingAdapter
// with the same binding, it should return true
MethodBindingMethodExpressionAdapter mbTrue =
new MethodBindingMethodExpressionAdapter(expression);
MethodBindingMethodExpressionAdapter mbFalse =
new MethodBindingMethodExpressionAdapter(new TestMethodExpression("invoke",
"#{foo.invoke}",
String.class,
new Class[] { Double.class },
new MySimpleBean()));
assertTrue(mbAdapter.equals(mbTrue));
assertTrue(!mbAdapter.equals(mbFalse));
// if a MethodBinding is provided, then a little more work will
// be performed - ensure this works
if (factory != null) {
ApplicationAssociate.getInstance(extContext).setExpressionFactory(factory);
assertTrue(mbAdapter.equals(methodBinding));
assertTrue(!mbAdapter.equals(falseBinding));
}
}
public void testVEVBAdapterTest() throws Exception {
TestValueBinding binding = new TestValueBinding("#{simple.double}",
new MySimpleBean(),
Double.class);
ValueExpressionValueBindingAdapter veAdapter =
new ValueExpressionValueBindingAdapter(binding);
FacesContext fContext = getFacesContext();
ELContext elContext = fContext.getELContext();
// Phase 1
// - validate NPEs are thrown as expected
try {
veAdapter.getType(null);
assertTrue(false);
} catch (Exception e) {
if (!(e instanceof NullPointerException)) {
assertTrue(false);
}
}
try {
veAdapter.getValue(null);
assertTrue(false);
} catch (Exception e) {
if (!(e instanceof NullPointerException)) {
assertTrue(false);
}
}
try {
veAdapter.setValue(null, "string");
assertTrue(false);
} catch (Exception e) {
if (!(e instanceof NullPointerException)) {
assertTrue(false);
}
}
try {
veAdapter.isReadOnly(null);
assertTrue(false);
} catch (Exception e) {
if (!(e instanceof NullPointerException)) {
assertTrue(false);
}
}
// Phase 2
// - validate methods with correct input
assertTrue(Double.class.equals(veAdapter.getType(elContext)));
assertTrue(Double.valueOf("1.5").equals(veAdapter.getValue(elContext)));
assertTrue(veAdapter.isReadOnly(elContext));
// Phase 3
// - validate the equals() method
assertTrue(veAdapter.equals(veAdapter));
ValueExpressionValueBindingAdapter trueAdapter =
new ValueExpressionValueBindingAdapter(binding);
ValueExpressionValueBindingAdapter falseAdapter =
new ValueExpressionValueBindingAdapter(
new TestValueBinding("#{simple.double}",
new MySimpleBean(),
String.class));
assertTrue(veAdapter.equals(trueAdapter));
assertTrue(!veAdapter.equals(falseAdapter));
ValueExpression trueVE = new TestValueExpression("#{ping.double}",
Double.class,
new MySimpleBean());
ValueExpression falseVE = new TestValueExpression("#{foo.double}",
String.class,
new MySimpleBean());
assertTrue(veAdapter.equals(trueVE));
assertTrue(!veAdapter.equals(falseVE));
}
public void testVBVEAdapterTest() throws Exception {
ValueExpression expression = new TestValueExpression("#{simple.double}",
Double.class,
new MySimpleBean());
ValueBindingValueExpressionAdapter vbAdapter =
new ValueBindingValueExpressionAdapter(expression);
FacesContext fContext = getFacesContext();
// Phase 1
// - validate NPEs are thrown as expected
try {
vbAdapter.getType(null);
assertTrue(false);
} catch (Exception e) {
if (!(e instanceof NullPointerException)) {
assertTrue(false);
}
}
try {
vbAdapter.getValue(null);
assertTrue(false);
} catch (Exception e) {
if (!(e instanceof NullPointerException)) {
assertTrue(false);
}
}
try {
vbAdapter.isReadOnly(null);
assertTrue(false);
} catch (Exception e) {
if (!(e instanceof NullPointerException)) {
assertTrue(false);
}
}
try {
vbAdapter.setValue(null, "string");
assertTrue(false);
} catch (Exception e) {
if (!(e instanceof NullPointerException)) {
assertTrue(false);
}
}
// Phase 2
// - validate methods with correct input
assertTrue(Double.class.equals(vbAdapter.getType(fContext)));
assertTrue(new Double(1.5).equals(vbAdapter.getValue(fContext)));
assertTrue(vbAdapter.isReadOnly(fContext));
// Phase 3
// - validate the equals() method
assertTrue(vbAdapter.equals(vbAdapter));
ValueBindingValueExpressionAdapter trueAdapter =
new ValueBindingValueExpressionAdapter(expression);
ValueBindingValueExpressionAdapter falseAdapter =
new ValueBindingValueExpressionAdapter(
new TestValueExpression("#{foo.double}",
String.class,
new MySimpleBean()));
assertTrue(vbAdapter.equals(trueAdapter));
assertTrue(!vbAdapter.equals(falseAdapter));
ValueBinding trueVB = new TestValueBinding("#{ping.double}",
new MySimpleBean(),
Double.class);
ValueBinding falseVB = new TestValueBinding("#{foo.double}",
new MySimpleBean(),
String.class);
assertTrue(vbAdapter.equals(trueVB));
assertTrue(!vbAdapter.equals(falseVB));
}
// ----------------------------------------------------------- Inner Classes
private static class MySimpleBean {
Double value = 1.5;
public Double getDouble() {
return value;
}
public Double invoke(String value) {
return Double.valueOf(value);
}
public String invoked(String value) {
return value;
}
}
private static class TestValueExpression extends ValueExpression {
private String expr;
private Class<?> returnType;
private MySimpleBean bean;
public TestValueExpression(String expr,
Class<?> returnType,
MySimpleBean bean) {
this.expr = expr;
this.returnType = returnType;
this.bean = bean;
}
public Object getValue(ELContext elContext) {
if (elContext == null) {
throw new NullPointerException();
}
return bean.getDouble();
}
public void setValue(ELContext elContext, Object object) {
if (elContext == null) {
throw new NullPointerException();
}
}
public boolean isReadOnly(ELContext elContext) {
if (elContext == null) {
throw new NullPointerException();
}
return true;
}
public Class<?> getType(ELContext elContext) {
if (elContext == null) {
throw new NullPointerException();
}
return returnType;
}
public Class<?> getExpectedType() {
return returnType;
}
public String getExpressionString() {
return expr;
}
public boolean equals(Object object) {
if (object == this) {
return true;
}
if (object instanceof TestValueExpression) {
TestValueExpression v = (TestValueExpression) object;
return v.getExpressionString().equals(expr)
&& v.getExpectedType().equals(returnType);
}
return false;
}
public int hashCode() {
return (expr.hashCode() ^ returnType.hashCode());
}
public boolean isLiteralText() {
return false;
}
}
private static class TestValueBinding extends ValueBinding {
String expr;
MySimpleBean bean;
Class<?> returnType;
public TestValueBinding(String expr,
MySimpleBean bean,
Class<?> returnType) {
this.expr = expr;
this.bean = bean;
this.returnType = returnType;
}
public Object getValue(FacesContext context)
throws EvaluationException, PropertyNotFoundException {
if (context == null) {
throw new NullPointerException();
}
return bean.getDouble();
}
public void setValue(FacesContext context, Object value)
throws EvaluationException, PropertyNotFoundException {
if (context == null) {
throw new NullPointerException();
}
}
public boolean isReadOnly(FacesContext context)
throws EvaluationException, PropertyNotFoundException {
if (context == null) {
throw new NullPointerException();
}
return true;
}
public Class getType(FacesContext context)
throws EvaluationException, PropertyNotFoundException {
if (context == null) {
throw new NullPointerException();
}
return returnType;
}
}
private static class TestMethodBinding extends MethodBinding {
String exprString;
Class<?> returnType;
MySimpleBean bean;
public TestMethodBinding(String exprString,
Class<?> returnType,
MySimpleBean bean) {
this.exprString = exprString;
this.returnType = returnType;
this.bean = bean;
}
public Object invoke(FacesContext context, Object[] params)
throws EvaluationException, MethodNotFoundException {
if (context == null) {
throw new NullPointerException();
}
return bean.invoke((String) params[0]);
}
public Class getType(FacesContext context) throws MethodNotFoundException {
if (context == null) {
throw new NullPointerException();
}
return returnType;
}
@Override public String getExpressionString() {
return exprString;
}
}
private static class TestMethodExpression extends MethodExpression {
private String methodName;
private String exprString;
private Class<?> returnType;
private Class<?>[] params;
private MySimpleBean bean;
private MethodInfo info;
public TestMethodExpression(String methodName,
String exprString,
Class<?> returnType,
Class<?>[] params,
MySimpleBean bean) {
this.methodName = methodName;
this.exprString = exprString;
this.returnType = returnType;
this.params = params;
this.bean = bean;
info = new MethodInfo(methodName, returnType, params);
}
public MethodInfo getMethodInfo(ELContext elContext) {
if (elContext == null) {
throw new NullPointerException();
}
return info;
}
public Object invoke(ELContext elContext, Object[] objects) {
if (elContext == null) {
throw new NullPointerException();
}
return bean.invoke((String) objects[0]);
}
public String getExpressionString() {
return exprString;
}
public boolean equals(Object object) {
return this == object
|| object instanceof TestMethodExpression
&& (exprString.equals(
((TestMethodExpression) object).getExpressionString()));
}
public int hashCode() {
return exprString.hashCode();
}
public boolean isLiteralText() {
return false;
}
}
} // END TestAdapters