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/*
* Copyright (C) 2010, Google Inc. and others
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0 which is available at
* https://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package org.eclipse.jgit.errors;
import java.text.MessageFormat;
import org.eclipse.jgit.internal.JGitText;
import org.eclipse.jgit.lib.AnyObjectId;
import org.eclipse.jgit.lib.ObjectId;
/**
* An object is too big to load into memory as a single byte array.
*/
public class LargeObjectException extends RuntimeException {
private static final long serialVersionUID = 1L;
private ObjectId objectId;
/**
* Create a large object exception, where the object isn't known.
*/
public LargeObjectException() {
// Do nothing.
}
/**
* Create a large object exception, where the object isn't known.
*
* @param cause
* the cause
* @since 4.10
*/
public LargeObjectException(Throwable cause) {
initCause(cause);
}
/**
* Create a large object exception, naming the object that is too big.
*
* @param id
* identity of the object that is too big to be loaded as a byte
* array in this JVM.
*/
public LargeObjectException(AnyObjectId id) {
setObjectId(id);
}
/**
* Get identity of the object that is too large; may be null
*
* @return identity of the object that is too large; may be null
*/
public ObjectId getObjectId() {
return objectId;
}
/**
* Get the hex encoded name of the object, or 'unknown object'
*
* @return either the hex encoded name of the object, or 'unknown object'
*/
protected String getObjectName() {
if (getObjectId() != null)
return getObjectId().name();
return JGitText.get().unknownObject;
}
/**
* Set the identity of the object, if its not already set.
*
* @param id
* the id of the object that is too large to process.
*/
public void setObjectId(AnyObjectId id) {
if (objectId == null)
objectId = id.copy();
}
/** {@inheritDoc} */
@Override
public String getMessage() {
return MessageFormat.format(JGitText.get().largeObjectException,
getObjectName());
}
/** An error caused by the JVM being out of heap space. */
public static class OutOfMemory extends LargeObjectException {
private static final long serialVersionUID = 1L;
/**
* Construct a wrapper around the original OutOfMemoryError.
*
* @param cause
* the original root cause.
*/
public OutOfMemory(OutOfMemoryError cause) {
initCause(cause);
}
@Override
public String getMessage() {
return MessageFormat.format(JGitText.get().largeObjectOutOfMemory,
getObjectName());
}
}
/** Object size exceeds JVM limit of 2 GiB per byte array. */
public static class ExceedsByteArrayLimit extends LargeObjectException {
private static final long serialVersionUID = 1L;
@Override
public String getMessage() {
return MessageFormat
.format(JGitText.get().largeObjectExceedsByteArray,
getObjectName());
}
}
/** Object size exceeds the caller's upper limit. */
public static class ExceedsLimit extends LargeObjectException {
private static final long serialVersionUID = 1L;
private final long limit;
private final long size;
/**
* Construct an exception for a particular size being exceeded.
*
* @param limit
* the limit the caller imposed on the object.
* @param size
* the actual size of the object.
*/
public ExceedsLimit(long limit, long size) {
this.limit = limit;
this.size = size;
}
@Override
public String getMessage() {
return MessageFormat.format(JGitText.get().largeObjectExceedsLimit,
getObjectName(), Long.valueOf(limit), Long.valueOf(size));
}
}
}
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