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/*
* Copyright (c) OSGi Alliance (2000, 2013). All Rights Reserved.
*
* 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.
*/
package org.osgi.framework;
/**
* A Framework exception used to indicate that a bundle lifecycle problem
* occurred.
*
* <p>
* A {@code BundleException} object is created by the Framework to denote an
* exception condition in the lifecycle of a bundle. {@code BundleException}s
* should not be created by bundle developers. A type code is used to identify
* the exception type for future extendability.
*
* <p>
* OSGi Alliance reserves the right to extend the set of types.
*
* <p>
* This exception conforms to the general purpose exception chaining mechanism.
*
* @author $Id$
*/
public class BundleException extends Exception {
static final long serialVersionUID = 3571095144220455665L;
/**
* Type of bundle exception.
*
* @since 1.5
*/
private final int type;
/**
* No exception type is specified.
*
* @since 1.5
*/
public static final int UNSPECIFIED = 0;
/**
* The operation was unsupported. This type can be used anywhere a
* BundleException can be thrown.
*
* @since 1.5
*/
public static final int UNSUPPORTED_OPERATION = 1;
/**
* The operation was invalid.
*
* @since 1.5
*/
public static final int INVALID_OPERATION = 2;
/**
* The bundle manifest was in error.
*
* @since 1.5
*/
public static final int MANIFEST_ERROR = 3;
/**
* The bundle was not resolved.
*
* @since 1.5
*/
public static final int RESOLVE_ERROR = 4;
/**
* The bundle activator was in error.
*
* @since 1.5
*/
public static final int ACTIVATOR_ERROR = 5;
/**
* The operation failed due to insufficient permissions.
*
* @since 1.5
*/
public static final int SECURITY_ERROR = 6;
/**
* The operation failed to complete the requested lifecycle state change.
*
* @since 1.5
*/
public static final int STATECHANGE_ERROR = 7;
/**
* The bundle could not be resolved due to an error with the
* Bundle-NativeCode header.
*
* @since 1.5
*/
public static final int NATIVECODE_ERROR = 8;
/**
* The install or update operation failed because another already installed
* bundle has the same symbolic name and version. This exception type will
* only occur if the framework is configured to only allow a single bundle
* to be installed for a given symbolic name and version.
*
* @see Constants#FRAMEWORK_BSNVERSION
* @since 1.5
*/
public static final int DUPLICATE_BUNDLE_ERROR = 9;
/**
* The start transient operation failed because the start level of the
* bundle is greater than the current framework start level
*
* @since 1.5
*/
public static final int START_TRANSIENT_ERROR = 10;
/**
* The framework received an error while reading the input stream for a
* bundle.
*
* @since 1.6
*/
public static final int READ_ERROR = 11;
/**
* A framework hook rejected the operation.
*
* @since 1.6
*/
public static final int REJECTED_BY_HOOK = 12;
/**
* Creates a {@code BundleException} with the specified message and
* exception cause.
*
* @param msg The associated message.
* @param cause The cause of this exception.
*/
public BundleException(String msg, Throwable cause) {
this(msg, UNSPECIFIED, cause);
}
/**
* Creates a {@code BundleException} with the specified message.
*
* @param msg The message.
*/
public BundleException(String msg) {
this(msg, UNSPECIFIED);
}
/**
* Creates a {@code BundleException} with the specified message, type and
* exception cause.
*
* @param msg The associated message.
* @param type The type for this exception.
* @param cause The cause of this exception.
* @since 1.5
*/
public BundleException(String msg, int type, Throwable cause) {
super(msg, cause);
this.type = type;
}
/**
* Creates a {@code BundleException} with the specified message and type.
*
* @param msg The message.
* @param type The type for this exception.
* @since 1.5
*/
public BundleException(String msg, int type) {
super(msg);
this.type = type;
}
/**
* Returns the cause of this exception or {@code null} if no cause was
* specified when this exception was created.
*
* <p>
* This method predates the general purpose exception chaining mechanism.
* The {@code getCause()} method is now the preferred means of obtaining
* this information.
*
* @return The result of calling {@code getCause()}.
*/
public Throwable getNestedException() {
return getCause();
}
/**
* Returns the cause of this exception or {@code null} if no cause was set.
*
* @return The cause of this exception or {@code null} if no cause was set.
* @since 1.3
*/
@Override
public Throwable getCause() {
return super.getCause();
}
/**
* Initializes the cause of this exception to the specified value.
*
* @param cause The cause of this exception.
* @return This exception.
* @throws IllegalArgumentException If the specified cause is this
* exception.
* @throws IllegalStateException If the cause of this exception has already
* been set.
* @since 1.3
*/
@Override
public Throwable initCause(Throwable cause) {
return super.initCause(cause);
}
/**
* Returns the type for this exception or {@code UNSPECIFIED} if the type
* was unspecified or unknown.
*
* @return The type of this exception.
* @since 1.5
*/
public int getType() {
return type;
}
}
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