diff options
Diffstat (limited to 'sched/src/com/android/sched/util/file/CannotUnsetPermissionException.java')
-rw-r--r-- | sched/src/com/android/sched/util/file/CannotUnsetPermissionException.java | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/sched/src/com/android/sched/util/file/CannotUnsetPermissionException.java b/sched/src/com/android/sched/util/file/CannotUnsetPermissionException.java new file mode 100644 index 0000000..cb733cc --- /dev/null +++ b/sched/src/com/android/sched/util/file/CannotUnsetPermissionException.java @@ -0,0 +1,70 @@ +/* + * Copyright (C) 2015 The Android Open Source Project + * + * 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 com.android.sched.util.file; + +import com.android.sched.util.file.FileOrDirectory.ChangePermission; +import com.android.sched.util.file.FileOrDirectory.Permission; +import com.android.sched.util.location.HasLocation; +import com.android.sched.util.location.Location; + +import javax.annotation.CheckForNull; +import javax.annotation.Nonnull; + +/** + * Exception when a file or directory can not be cleared of the expected permission. + */ +public class CannotUnsetPermissionException extends WithLocationException { + private static final long serialVersionUID = 1L; + + private final int permission; + @Nonnull + private final ChangePermission change; + + public CannotUnsetPermissionException(@Nonnull Location location, int permission, + @Nonnull ChangePermission change) { + this(location, permission, change, null); + } + + public CannotUnsetPermissionException(@Nonnull Location location, int permission, + @Nonnull ChangePermission change, @CheckForNull Throwable cause) { + super(location, cause); + this.permission = permission; + this.change = change; + } + + public CannotUnsetPermissionException(@Nonnull HasLocation locationProvider, int permission, + @Nonnull ChangePermission change) { + this(locationProvider, permission, change, null); + } + + public CannotUnsetPermissionException(@Nonnull HasLocation locationProvider, int permission, + @Nonnull ChangePermission change, @CheckForNull Throwable cause) { + super(locationProvider, cause); + this.permission = permission; + this.change = change; + } + + @Override + @Nonnull + protected String createMessage(@Nonnull String description) { + return description + " cannot have its " + + ((permission == Permission.READ) ? "readable " : + ((permission == Permission.WRITE) ? "writable " : + ((permission == Permission.EXECUTE) ? "executable " : "???"))) + "permission removed" + + ((change == ChangePermission.EVERYBODY) ? " for everybody" : ""); + } +} |