53 lines
1.9 KiB
Java
53 lines
1.9 KiB
Java
/*
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* Copyright 2015 Fujitsu Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License. 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 distributed under the License
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* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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* or implied. See the License for the specific language governing permissions and limitations under
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* the License.
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*/
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package monasca.log.api.app.validation;
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import java.util.regex.Pattern;
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import javax.ws.rs.WebApplicationException;
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import com.google.common.base.CharMatcher;
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import monasca.log.api.app.command.CreateLogCommand;
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import monasca.log.api.resource.exception.Exceptions;
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/**
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* Utilities for validating log application types.
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*/
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public class LogApplicationTypeValidator {
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private static final Pattern VALID_APPLICATION_TYPE = Pattern.compile("^[a-zA-Z0-9_\\.\\-]+$");
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private LogApplicationTypeValidator() {}
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/**
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* Normalizes the {@code applicationType} by removing whitespace.
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*/
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public static String normalize(String applicationType) {
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return applicationType == null ? null : CharMatcher.WHITESPACE.trimFrom(applicationType);
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}
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/**
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* Validates the {@code applicationType} for the character constraints.
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*
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* @throws WebApplicationException if validation fails
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*/
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public static void validate(String applicationType) {
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if (applicationType.length() > CreateLogCommand.MAX_NAME_LENGTH)
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throw Exceptions.unprocessableEntity("Application type %s must be %d characters or less", applicationType, CreateLogCommand.MAX_NAME_LENGTH);
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if (!VALID_APPLICATION_TYPE.matcher(applicationType).matches())
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throw Exceptions.unprocessableEntity("Application type %s may only contain: a-z A-Z 0-9 _ - .", applicationType);
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}
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}
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