org.smartdeveloperhub.vocabulary.publisher.handlers.Failure.java Source code

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Here is the source code for org.smartdeveloperhub.vocabulary.publisher.handlers.Failure.java

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/**
 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
 *   This file is part of the Smart Developer Hub Project:
 *     http://www.smartdeveloperhub.org/
 *
 *   Center for Open Middleware
 *     http://www.centeropenmiddleware.com/
 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
 *   Copyright (C) 2015-2016 Center for Open Middleware.
 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
 *   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.
 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
 *   Artifact    : org.smartdeveloperhub.vocabulary:sdh-vocabulary:0.3.0
 *   Bundle      : sdh-vocabulary-0.3.0.jar
 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
 */
package org.smartdeveloperhub.vocabulary.publisher.handlers;

import com.google.common.base.Joiner;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableList.Builder;

final class Failure {

    private final String value;
    private final ImmutableList<String> messages;
    private final String header;

    private Failure(final String header, final String value, final ImmutableList<String> messages) {
        this.header = header;
        this.value = value;
        this.messages = messages;
    }

    @Override
    public String toString() {
        return "'" + this.value + "' is not a valid " + this.header + " header:\n + "
                + Joiner.on("\n +--> ").join(this.messages);
    }

    public static Failure create(final String header, final String value, final Throwable cause) {
        final Builder<String> builder = ImmutableList.builder();
        Throwable failure = cause;
        while (failure != null) {
            builder.add(failure.getClass().getName() + " : " + failure.getMessage());
            failure = failure.getCause();
        }
        return new Failure(header, value, builder.build());
    }
}