1 /*
2 * Copyright 2012-2025 CodeLibs Project and the Others.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
13 * either express or implied. See the License for the specific language
14 * governing permissions and limitations under the License.
15 */
16 package org.codelibs.fess.exception;
17
18 /**
19 * Exception thrown when a dependency injection container or component is not available.
20 * This exception indicates that the required container or a specific component within it cannot be accessed.
21 */
22 public class ContainerNotAvailableException extends FessSystemException {
23
24 private static final long serialVersionUID = 1L;
25
26 /** The name of the component that is not available. */
27 private String componentName;
28
29 /**
30 * Constructor with component name.
31 * @param componentName The name of the component that is not available.
32 */
33 public ContainerNotAvailableException(final String componentName) {
34 super(componentName + " is not available.");
35 this.componentName = componentName;
36 }
37
38 /**
39 * Constructor with component name and cause.
40 * @param componentName The name of the component that is not available.
41 * @param cause The cause of the exception.
42 */
43 public ContainerNotAvailableException(final String componentName, final Throwable cause) {
44 super(componentName + " is not available.", cause);
45 this.componentName = componentName;
46 }
47
48 /**
49 * Constructor with cause only.
50 * @param cause The cause of the exception.
51 */
52 public ContainerNotAvailableException(final Throwable cause) {
53 super("Container is not available.");
54 componentName = "container";
55 }
56
57 /**
58 * Gets the name of the component that is not available.
59 * @return The component name.
60 */
61 public String getComponentName() {
62 return componentName;
63 }
64
65 }