/**
* Copyright © 2010-2011 Nokia
*
* 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 com.github.restdriver.matchers;
import org.hamcrest.Description;
import org.hamcrest.Matcher;
import org.hamcrest.TypeSafeMatcher;
import com.fasterxml.jackson.databind.JsonNode;
/**
* Matcher to check that a given key has a particular value in a JsonNode.
*/
public final class HasJsonValue extends TypeSafeMatcher<JsonNode> {
private final String fieldName;
private final Matcher<?> valueMatcher;
/**
* Creates an instance of this matcher.
*
* @param fieldName The field name against which the matcher will be evaluated
* @param valueMatcher The matcher to be used to evaluate the value found at the given field name
*/
public HasJsonValue(String fieldName, Matcher<?> valueMatcher) {
this.fieldName = fieldName;
this.valueMatcher = valueMatcher;
}
@Override
public void describeTo(Description description) {
description.appendText("JsonNode with '" + fieldName + "' matching: ");
valueMatcher.describeTo(description);
}
@Override
public boolean matchesSafely(JsonNode jsonNode) {
JsonNode node = jsonNode.get(fieldName);
if (node == null) {
return false;
}
if (node.isInt()) {
return valueMatcher.matches(node.intValue());
} else if (node.isLong()) {
return valueMatcher.matches(node.longValue());
} else if (node.isTextual()) {
return valueMatcher.matches(node.textValue());
} else if (node.isBoolean()) {
return valueMatcher.matches(node.booleanValue());
} else if (node.isDouble()) {
return valueMatcher.matches(node.doubleValue());
} else if (node.isObject()) {
return valueMatcher.matches(node);
} else if (node.isNull()) {
return valueMatcher.matches(null);
} else {
return false;
}
}
}