greensopinion.swagger.jaxrsgen.mock.model.ServerError.java Source code

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Here is the source code for greensopinion.swagger.jaxrsgen.mock.model.ServerError.java

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/*******************************************************************************
 * Copyright (c) 2007, 2008 David Green and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     David Green - initial API and implementation
 *******************************************************************************/

package greensopinion.swagger.jaxrsgen.mock.model;

import static com.google.common.base.Preconditions.checkNotNull;

import com.google.common.base.Objects;
import com.google.common.base.Optional;
import com.google.common.base.Predicate;
import com.google.common.base.Strings;
import com.google.common.base.Throwables;
import com.google.common.collect.Iterables;
import com.wordnik.swagger.annotations.ApiModel;
import com.wordnik.swagger.annotations.ApiModelProperty;

@ApiModel("A representation of an error, providing an error code and message.")
public class ServerError {
    @ApiModelProperty(value = "The error code, which can be used to identify the type of error.", required = true)
    private final String code;

    @ApiModelProperty(value = "The message describing the error.")
    private final String message;

    @ApiModelProperty(value = "Detail of the error which can be used for diagnostic purposes.")
    private final String detail;

    public ServerError(Throwable throwable) {
        checkNotNull(throwable, "Must provide throwable");
        code = throwable.getClass().getSimpleName();
        message = computeMessage(throwable);
        detail = Throwables.getStackTraceAsString(throwable);
    }

    private String computeMessage(Throwable t) {
        Optional<Throwable> found = Iterables.tryFind(Throwables.getCausalChain(t), new Predicate<Throwable>() {
            @Override
            public boolean apply(Throwable input) {
                return input != null && !Strings.isNullOrEmpty(input.getMessage());
            }
        });
        if (found.isPresent()) {
            return found.get().getMessage();
        }
        return null;
    }

    public String getCode() {
        return code;
    }

    public String getMessage() {
        return message;
    }

    public String getDetail() {
        return detail;
    }

    @Override
    public String toString() {
        return Objects.toStringHelper(ServerError.class).add("code", code).add("message", message).toString();
    }
}