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/*******************************************************************************
* Copyright (c) 2011 GitHub Inc.
* 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:
* Kevin Sawicki (GitHub Inc.) - initial API and implementation
*******************************************************************************/
package org.eclipse.mylyn.internal.github.core;
import java.io.IOException;
import java.text.MessageFormat;
import java.util.List;
import org.eclipse.egit.github.core.FieldError;
import org.eclipse.egit.github.core.RequestError;
import org.eclipse.egit.github.core.client.RequestException;
/**
* GitHub exception that wraps and formats a {@link RequestException}
*/
public class GitHubException extends IOException {
/**
*
*/
private static final long serialVersionUID = -1456910662911777231L;
/**
* Wraps the given {@link IOException} with a {@link GitHubException} if it
* is a {@link RequestException} instance.
*
* @param exception
* @return wrapped exception
*/
public static IOException wrap(IOException exception) {
return exception instanceof RequestException ? new GitHubException(
(RequestException) exception) : exception;
}
/**
* Create GitHub exception from {@link RequestException}
*
* @param cause
*/
public GitHubException(RequestException cause) {
super(cause);
}
public String getMessage() {
RequestError error = ((RequestException) getCause()).getError();
String errorMessage = error.getMessage();
if (errorMessage == null)
errorMessage = ""; //$NON-NLS-1$
StringBuilder message = new StringBuilder(errorMessage);
List<FieldError> errors = error.getErrors();
if (errors != null && errors.size() > 0) {
message.append(':');
for (FieldError fieldError : errors)
message.append(' ').append(format(fieldError)).append(',');
message.deleteCharAt(message.length() - 1);
}
return message.toString();
}
private String format(FieldError error) {
String code = error.getCode();
String value = error.getValue();
String field = error.getField();
String resource = error.getResource();
if (FieldError.CODE_INVALID.equals(code))
if (value != null)
return MessageFormat
.format(Messages.FieldError_InvalidFieldWithValue,
value, field);
else
return MessageFormat.format(Messages.FieldError_InvalidField,
field, value);
else if (FieldError.CODE_MISSING_FIELD.equals(code))
return MessageFormat
.format(Messages.FieldError_MissingField, field);
else
return MessageFormat.format(Messages.FieldError_ResourceError,
field, resource);
}
}
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