Before this change a missing path variable value resulted in a 400 error where in fact the error is due to a mismatch between the declared @PathVariable and the URI template, i.e. a 500 error. This change introduced a MissingPathVariableException as a sub-class of ServletRequestBindingException (the exception previously thrown) and results in a response status code of 500 by default. Issue: SPR-13121master
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7b365583e3
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4b05bda0bf
7 changed files with 167 additions and 17 deletions
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/* |
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* Copyright 2002-2015 the original author or authors. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.springframework.web.bind; |
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import org.springframework.core.MethodParameter; |
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/** |
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* {@link ServletRequestBindingException} subclass that indicates that a path |
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* variable expected in the method parameters of an {@code @RequestMapping} |
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* method is not present among the URI variables extracted from the URL. |
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* Typically that means the URI template does not match the path variable name |
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* declared on the method parameter. |
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* |
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* @author Rossen Stoyanchev |
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* @since 4.2 |
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*/ |
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@SuppressWarnings("serial") |
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public class MissingPathVariableException extends ServletRequestBindingException { |
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private final String variableName; |
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private final MethodParameter parameter; |
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/** |
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* Constructor for MissingPathVariableException. |
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* @param variableName the name of the missing path variable |
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* @param parameter the method parameter |
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*/ |
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public MissingPathVariableException(String variableName, MethodParameter parameter) { |
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super(""); |
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this.variableName = variableName; |
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this.parameter = parameter; |
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} |
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@Override |
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public String getMessage() { |
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return "Missing URI template variable '" + this.variableName + |
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"' for method parameter of type " + parameter.getParameterType().getSimpleName(); |
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} |
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/** |
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* Return the expected name of the path variable. |
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*/ |
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public final String getVariableName() { |
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return this.variableName; |
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} |
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/** |
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* Return the method parameter bound to the path variable. |
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*/ |
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public final MethodParameter getParameter() { |
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return this.parameter; |
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} |
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} |
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