提交 840ac88b 编写于 作者: K Keith Donald

more pruning

上级 a74422ed
......@@ -48,6 +48,9 @@ public interface BinderExecutor<M> {
BindingResults bind();
// TODO return validation results
/**
* Execute the validate operation.
*/
void validate();
/**
......
package org.springframework.ui.lifecycle;
public interface BindAndValidateLifecycle {
public void execute();
}
package org.springframework.ui.lifecycle;
public interface BindAndValidateLifecycleFactory {
BindAndValidateLifecycle getLifecycle(Object model);
}
/*
* Copyright 2002-2009 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.ui.lifecycle;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import org.springframework.ui.alert.AlertContext;
import org.springframework.ui.binding.binder.Binder;
import org.springframework.ui.binding.binder.BindingResult;
import org.springframework.ui.binding.binder.BindingResults;
import org.springframework.ui.validation.ValidationFailure;
import org.springframework.ui.validation.Validator;
/**
* Implementation of the model bind and validate lifecycle.
* @author Keith Donald
* @since 3.0
*/
public final class BindAndValidateLifecycleImpl {
private Binder binder;
private Validator validator;
private ValidationDecider validationDecider = ValidationDecider.ALWAYS_VALIDATE;
private final AlertContext alertContext;
/**
* Create a new bind and validate lifecycle.
* @param binder the binder to use for model binding
* @param validator the validator to use for model validation
* @param alertContext a context for adding binding and validation-related alerts
*/
public BindAndValidateLifecycleImpl(Binder binder, Validator validator, AlertContext alertContext) {
this.binder = binder;
this.validator = validator;
this.alertContext = alertContext;
}
/**
* Configures the strategy that determines if validation should execute after binding.
* @param validationDecider the validation decider
*/
public void setValidationDecider(ValidationDecider validationDecider) {
this.validationDecider = validationDecider;
}
/**
* Execute the bind and validate lifecycle.
* Any bind or validation errors are recorded as alerts against the {@link AlertContext}.
* @param sourceValues the source values to bind and validate
*/
public void execute(Map<String, ? extends Object> sourceValues) {
BindingResults bindingResults = binder.bind(sourceValues);
List<ValidationFailure> validationFailures = validate(bindingResults);
for (BindingResult result : bindingResults.failures()) {
alertContext.add(result.getProperty(), result.getAlert());
}
for (ValidationFailure failure : validationFailures) {
alertContext.add(failure.getProperty(), failure.getAlert());
}
}
private List<ValidationFailure> validate(BindingResults bindingResults) {
if (validator != null && validationDecider.shouldValidateAfter(bindingResults)) {
return validator.validate(binder.getModel(), bindingResults.successes().properties());
} else {
return Collections.emptyList();
}
}
}
/*
* Copyright 2002-2009 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.ui.lifecycle;
import org.springframework.ui.binding.binder.BindingResults;
/**
* Decides if validation should run for an execution of the bind and validate lifecycle.
* @author Keith Donald
* @since 3.0
* @see BindAndValidateLifecycleImpl#execute(java.util.Map)
*/
interface ValidationDecider {
/**
* Should validation execute after model binding?
* @param results the results of model binding
* @return yes or no
*/
boolean shouldValidateAfter(BindingResults results);
/**
* Singleton reference to a ValidationDecider that always returns true.
*/
static final ValidationDecider ALWAYS_VALIDATE = new ValidationDecider() {
public boolean shouldValidateAfter(BindingResults results) {
return true;
}
};
}
\ No newline at end of file
......@@ -13,7 +13,7 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.ui.validation.constraint;
package org.springframework.ui.validation;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
......
......@@ -13,7 +13,7 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.ui.validation.constraint;
package org.springframework.ui.validation;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
......
......@@ -13,7 +13,7 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.ui.validation.constraint;
package org.springframework.ui.validation;
public interface ValidationConstraint<T> {
boolean validate(T value);
......
package org.springframework.ui.validation;
import org.springframework.ui.alert.Alert;
/**
* A single validation failure generated by a Validator.
* @author Keith Donald
* @see Validator#validate(Object, java.util.List)
*/
public interface ValidationFailure {
/**
* The name of the model property associated with this validation result.
*/
String getProperty();
/**
* Gets the alert for this validation failure, appropriate for rendering the failure to the user.
*/
Alert getAlert();
}
/*
* Copyright 2002-2009 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.ui.validation;
import java.util.List;
/**
* Validates a model object.
* @author Keith Donald
* @param <M> the type of model object this validator supports
*/
public interface Validator {
/**
* Validate the properties of the model object.
* @param model the model object
* @param properties the properties to validate
* @return a list of validation failures, empty if there were no failures
*/
List<ValidationFailure> validate(Object model, List<String> properties);
}
package org.springframework.ui.lifecycle;
import static org.junit.Assert.assertEquals;
import java.math.BigDecimal;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import org.springframework.ui.alert.Alert;
import org.springframework.ui.alert.Alerts;
import org.springframework.ui.alert.Severity;
import org.springframework.ui.alert.support.DefaultAlertContext;
import org.springframework.ui.binding.binder.WebBinder;
import org.springframework.ui.binding.support.GenericBindingFactory;
import org.springframework.ui.format.number.CurrencyFormat;
import org.springframework.ui.validation.ValidationFailure;
import org.springframework.ui.validation.Validator;
import org.springframework.ui.validation.constraint.Impact;
import org.springframework.ui.validation.constraint.Message;
import org.springframework.ui.validation.constraint.ValidationConstraint;
import edu.emory.mathcs.backport.java.util.Collections;
public class BindAndValidateLifecycleTests {
private BindAndValidateLifecycleImpl lifecycle;
private TestBean model;
private DefaultAlertContext alertContext;
@Before
public void setUp() {
model = new TestBean();
alertContext = new DefaultAlertContext();
WebBinder binder = new WebBinder(new GenericBindingFactory(model));
Validator validator = new TestBeanValidator();
lifecycle = new BindAndValidateLifecycleImpl(binder, validator, alertContext);
}
static class TestBeanValidator implements Validator {
public List<ValidationFailure> validate(Object model, List<String> properties) {
TestBean bean = (TestBean) model;
RequiredConstraint required = new RequiredConstraint();
boolean valid = required.validate(bean);
if (!valid) {
}
return Collections.emptyList();
}
}
@Message({"en=#{label} is required", "es=#{label} es necesario"})
static class RequiredConstraint implements ValidationConstraint<Object> {
public boolean validate(Object value) {
if (value != null) {
return value instanceof String ? ((String) value).length() > 0 : true;
} else {
return false;
}
}
}
@Message("#{label} is a weak password")
@Impact(Severity.WARNING)
static class StrongPasswordConstraint implements ValidationConstraint<String> {
public boolean validate(String password) {
if (password.length() > 6) {
return true;
} else {
return false;
}
}
}
@Message("#{label} could not be confirmed; #{value} must match #{model.confirmPassword}")
static class ConfirmedPasswordConstraint implements ValidationConstraint<SignupForm> {
public boolean validate(SignupForm form) {
if (form.password.equals(form.confirmPassword)) {
return true;
} else {
return false;
}
}
}
@Message("#{label} must be between #{this.min} and #{this.max}")
static class RangeConstraint implements ValidationConstraint<Number> {
private Long min;
private Long max;
public RangeConstraint(Long min, Long max) {
this.min = min;
this.max = max;
}
public boolean validate(Number value) {
Long longValue = value.longValue();
if (longValue >= min && longValue <= max) {
return true;
} else {
return false;
}
}
}
static class TestValidationFailure implements ValidationFailure {
private String property;
private String message;
public TestValidationFailure(String property, String message) {
this.property = property;
}
public String getProperty() {
return property;
}
public Alert getAlert() {
return Alerts.error(message);
}
}
@Test
@Ignore
public void testExecuteLifecycleNoErrors() {
Map<String, Object> userMap = new HashMap<String, Object>();
userMap.put("string", "test");
userMap.put("integer", "3");
userMap.put("foo", "BAR");
lifecycle.execute(userMap);
assertEquals(0, alertContext.getAlerts().size());
}
@Test
@Ignore
public void testExecuteLifecycleBindingErrors() {
Map<String, Object> userMap = new HashMap<String, Object>();
userMap.put("string", "test");
userMap.put("integer", "bogus");
userMap.put("foo", "BAR");
lifecycle.execute(userMap);
assertEquals(1, alertContext.getAlerts().size());
assertEquals(Severity.FATAL, alertContext.getAlerts("integer").get(0).getSeverity());
assertEquals("Failed to bind to property 'integer'; user value 'bogus' could not be converted to property type [java.lang.Integer]", alertContext.getAlerts("integer").get(0).getMessage());
}
public static enum FooEnum {
BAR, BAZ, BOOP;
}
public static class TestBean {
private String string;
private int integer;
private Date date;
private FooEnum foo;
private BigDecimal currency;
private List<FooEnum> foos;
private List<Address> addresses;
public String getString() {
return string;
}
public void setString(String string) {
this.string = string;
}
public int getInteger() {
return integer;
}
public void setInteger(int integer) {
this.integer = integer;
}
public Date getDate() {
return date;
}
public void setDate(Date date) {
this.date = date;
}
public FooEnum getFoo() {
return foo;
}
public void setFoo(FooEnum foo) {
this.foo = foo;
}
@CurrencyFormat
public BigDecimal getCurrency() {
return currency;
}
public void setCurrency(BigDecimal currency) {
this.currency = currency;
}
public List<FooEnum> getFoos() {
return foos;
}
public void setFoos(List<FooEnum> foos) {
this.foos = foos;
}
public List<Address> getAddresses() {
return addresses;
}
public void setAddresses(List<Address> addresses) {
this.addresses = addresses;
}
}
public static class Address {
private String street;
private String city;
private String state;
private String zip;
private String country;
public String getStreet() {
return street;
}
public void setStreet(String street) {
this.street = street;
}
public String getCity() {
return city;
}
public void setCity(String city) {
this.city = city;
}
public String getState() {
return state;
}
public void setState(String state) {
this.state = state;
}
public String getZip() {
return zip;
}
public void setZip(String zip) {
this.zip = zip;
}
public String getCountry() {
return country;
}
public void setCountry(String country) {
this.country = country;
}
}
public class TestAnnotatedBean {
private String editable;
private String notEditable;
public String getEditable() {
return editable;
}
public void setEditable(String editable) {
this.editable = editable;
}
public String getNotEditable() {
return notEditable;
}
public void setNotEditable(String notEditable) {
this.notEditable = notEditable;
}
}
public static class SignupForm {
private String username;
private String password;
private String confirmPassword;
}
}
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