#3097

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Build # #3097

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github

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web-flow

Commit Message

Update dependency com.mysql:mysql-connector-j to v8.0.33

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47.27

/src/main/java/org/apache/ibatis/io/JBoss6VFS.java

/*
 *    Copyright 2009-2023 the original author or authors.
 *
 *    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
 *
 *       https://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.apache.ibatis.io;

import java.io.IOException;
import java.lang.reflect.Method;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import org.apache.ibatis.logging.Log;
import org.apache.ibatis.logging.LogFactory;

/**
 * A {@link VFS} implementation that works with the VFS API provided by JBoss 6.
 *
 * @author Ben Gunter
 */
public class JBoss6VFS extends VFS {
  private static final Log log = LogFactory.getLog(JBoss6VFS.class);

  /** A class that mimics a tiny subset of the JBoss VirtualFile class. */
  static class VirtualFile {
    static Class<?> VirtualFile;
    static Method getPathNameRelativeTo;
    static Method getChildrenRecursively;

    Object virtualFile;

    VirtualFile(Object virtualFile) {
      this.virtualFile = virtualFile;
    }

    String getPathNameRelativeTo(VirtualFile parent) {
      try {
        return invoke(getPathNameRelativeTo, virtualFile, parent.virtualFile);
      } catch (IOException e) {
        // This exception is not thrown by the called method
        log.error("This should not be possible. VirtualFile.getPathNameRelativeTo() threw IOException.");
        return null;
      }
    }

    List<VirtualFile> getChildren() throws IOException {
      List<?> objects = invoke(getChildrenRecursively, virtualFile);
      List<VirtualFile> children = new ArrayList<>(objects.size());
      for (Object object : objects) {
        children.add(new VirtualFile(object));
      }
      return children;
    }
  }

  /** A class that mimics a tiny subset of the JBoss VFS class. */
  static class VFS {
    static Class<?> VFS;
    static Method getChild;

    private VFS() {
      // Prevent Instantiation
    }

    static VirtualFile getChild(URL url) throws IOException {
      Object o = invoke(getChild, VFS, url);
      return o == null ? null : new VirtualFile(o);
    }
  }

  /** Flag that indicates if this VFS is valid for the current environment. */
  private static Boolean valid;

  /** Find all the classes and methods that are required to access the JBoss 6 VFS. */
  protected static synchronized void initialize() {
    if (valid == null) {
      // Assume valid. It will get flipped later if something goes wrong.
      valid = Boolean.TRUE;

      // Look up and verify required classes
      VFS.VFS = checkNotNull(getClass("org.jboss.vfs.VFS"));
      VirtualFile.VirtualFile = checkNotNull(getClass("org.jboss.vfs.VirtualFile"));

      // Look up and verify required methods
      VFS.getChild = checkNotNull(getMethod(VFS.VFS, "getChild", URL.class));
      VirtualFile.getChildrenRecursively = checkNotNull(getMethod(VirtualFile.VirtualFile, "getChildrenRecursively"));
      VirtualFile.getPathNameRelativeTo = checkNotNull(
          getMethod(VirtualFile.VirtualFile, "getPathNameRelativeTo", VirtualFile.VirtualFile));

      // Verify that the API has not changed
      checkReturnType(VFS.getChild, VirtualFile.VirtualFile);
      checkReturnType(VirtualFile.getChildrenRecursively, List.class);
      checkReturnType(VirtualFile.getPathNameRelativeTo, String.class);
    }
  }

  /**
   * Verifies that the provided object reference is null. If it is null, then this VFS is marked as invalid for the
   * current environment.
   *
   * @param <T>
   *          the generic type
   * @param object
   *          The object reference to check for null.
   *
   * @return the t
   */
  protected static <T> T checkNotNull(T object) {
    if (object == null) {
      setInvalid();
    }
    return object;
  }

  /**
   * Verifies that the return type of method is what it is expected to be. If it is not, then this VFS is marked as
   * invalid for the current environment.
   *
   * @param method
   *          The method whose return type is to be checked.
   * @param expected
   *          A type to which the method's return type must be assignable.
   *
   * @see Class#isAssignableFrom(Class)
   */
  protected static void checkReturnType(Method method, Class<?> expected) {
    if (method != null && !expected.isAssignableFrom(method.getReturnType())) {
      log.error("Method " + method.getClass().getName() + "." + method.getName() + "(..) should return "
          + expected.getName() + " but returns " + method.getReturnType().getName() + " instead.");
      setInvalid();
    }
  }

  /**
   * Mark this {@link VFS} as invalid for the current environment.
   */
  protected static void setInvalid() {
    if (JBoss6VFS.valid.booleanValue()) {
      log.debug("JBoss 6 VFS API is not available in this environment.");
      JBoss6VFS.valid = Boolean.FALSE;
    }
  }

  static {
    initialize();
  }

  @Override
  public boolean isValid() {
    return valid;
  }

  @Override
  public List<String> list(URL url, String path) throws IOException {
    VirtualFile directory;
    directory = VFS.getChild(url);
    if (directory == null) {
      return Collections.emptyList();
    }

    if (!path.endsWith("/")) {
      path += "/";
    }

    List<VirtualFile> children = directory.getChildren();
    List<String> names = new ArrayList<>(children.size());
    for (VirtualFile vf : children) {
      names.add(path + vf.getPathNameRelativeTo(directory));
    }

    return names;
  }
}

1	/*
2	* Copyright 2009-2023 the original author or authors.
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	* https://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, either express or implied.
13	* See the License for the specific language governing permissions and
14	* limitations under the License.
15	*/
16	package org.apache.ibatis.io;
17
18	import java.io.IOException;
19	import java.lang.reflect.Method;
20	import java.net.URL;
21	import java.util.ArrayList;
22	import java.util.Collections;
23	import java.util.List;
24
25	import org.apache.ibatis.logging.Log;
26	import org.apache.ibatis.logging.LogFactory;
27
28	/**
29	* A {@link VFS} implementation that works with the VFS API provided by JBoss 6.
30	*
31	* @author Ben Gunter
32	*/
33	public class JBoss6VFS extends VFS {	1✔
34	private static final Log log = LogFactory.getLog(JBoss6VFS.class);	1✔
35
36	/** A class that mimics a tiny subset of the JBoss VirtualFile class. */
37	static class VirtualFile {
38	static Class<?> VirtualFile;
39	static Method getPathNameRelativeTo;
40	static Method getChildrenRecursively;
41
42	Object virtualFile;
43
44	VirtualFile(Object virtualFile) {	×
45	this.virtualFile = virtualFile;	×
46	}	×
47
48	String getPathNameRelativeTo(VirtualFile parent) {
49	try {
50	return invoke(getPathNameRelativeTo, virtualFile, parent.virtualFile);	×
51	} catch (IOException e) {	×
52	// This exception is not thrown by the called method
53	log.error("This should not be possible. VirtualFile.getPathNameRelativeTo() threw IOException.");	×
54	return null;	×
55	}
56	}
57
58	List<VirtualFile> getChildren() throws IOException {
59	List<?> objects = invoke(getChildrenRecursively, virtualFile);	×
60	List<VirtualFile> children = new ArrayList<>(objects.size());	×
61	for (Object object : objects) {	×
62	children.add(new VirtualFile(object));	×
63	}	×
64	return children;	×
65	}
66	}
67
68	/** A class that mimics a tiny subset of the JBoss VFS class. */
69	static class VFS {
70	static Class<?> VFS;
71	static Method getChild;
72
73	private VFS() {
74	// Prevent Instantiation
75	}
76
77	static VirtualFile getChild(URL url) throws IOException {
78	Object o = invoke(getChild, VFS, url);	×
79	return o == null ? null : new VirtualFile(o);	×
80	}
81	}
82
83	/** Flag that indicates if this VFS is valid for the current environment. */
84	private static Boolean valid;
85
86	/** Find all the classes and methods that are required to access the JBoss 6 VFS. */
87	protected static synchronized void initialize() {
88	if (valid == null) {	1✔
89	// Assume valid. It will get flipped later if something goes wrong.
90	valid = Boolean.TRUE;	1✔
91
92	// Look up and verify required classes
93	VFS.VFS = checkNotNull(getClass("org.jboss.vfs.VFS"));	1✔
94	VirtualFile.VirtualFile = checkNotNull(getClass("org.jboss.vfs.VirtualFile"));	1✔
95
96	// Look up and verify required methods
97	VFS.getChild = checkNotNull(getMethod(VFS.VFS, "getChild", URL.class));	1✔
98	VirtualFile.getChildrenRecursively = checkNotNull(getMethod(VirtualFile.VirtualFile, "getChildrenRecursively"));	1✔
99	VirtualFile.getPathNameRelativeTo = checkNotNull(	1✔
100	getMethod(VirtualFile.VirtualFile, "getPathNameRelativeTo", VirtualFile.VirtualFile));	1✔
101
102	// Verify that the API has not changed
103	checkReturnType(VFS.getChild, VirtualFile.VirtualFile);	1✔
104	checkReturnType(VirtualFile.getChildrenRecursively, List.class);	1✔
105	checkReturnType(VirtualFile.getPathNameRelativeTo, String.class);	1✔
106	}
107	}	1✔
108
109	/**
110	* Verifies that the provided object reference is null. If it is null, then this VFS is marked as invalid for the
111	* current environment.
112	*
113	* @param <T>
114	* the generic type
115	* @param object
116	* The object reference to check for null.
117	*
118	* @return the t
119	*/
120	protected static <T> T checkNotNull(T object) {
121	if (object == null) {	1✔
122	setInvalid();	1✔
123	}
124	return object;	1✔
125	}
126
127	/**
128	* Verifies that the return type of method is what it is expected to be. If it is not, then this VFS is marked as
129	* invalid for the current environment.
130	*
131	* @param method
132	* The method whose return type is to be checked.
133	* @param expected
134	* A type to which the method's return type must be assignable.
135	*
136	* @see Class#isAssignableFrom(Class)
137	*/
138	protected static void checkReturnType(Method method, Class<?> expected) {
139	if (method != null && !expected.isAssignableFrom(method.getReturnType())) {	1✔
140	log.error("Method " + method.getClass().getName() + "." + method.getName() + "(..) should return "	×
141	+ expected.getName() + " but returns " + method.getReturnType().getName() + " instead.");	×
142	setInvalid();	×
143	}
144	}	1✔
145
146	/**
147	* Mark this {@link VFS} as invalid for the current environment.
148	*/
149	protected static void setInvalid() {
150	if (JBoss6VFS.valid.booleanValue()) {	1✔
151	log.debug("JBoss 6 VFS API is not available in this environment.");	1✔
152	JBoss6VFS.valid = Boolean.FALSE;	1✔
153	}
154	}	1✔
155
156	static {
157	initialize();	1✔
158	}	1✔
159
160	@Override
161	public boolean isValid() {
162	return valid;	1✔
163	}
164
165	@Override
166	public List<String> list(URL url, String path) throws IOException {
167	VirtualFile directory;
168	directory = VFS.getChild(url);	×
169	if (directory == null) {	×
170	return Collections.emptyList();	×
171	}
172
173	if (!path.endsWith("/")) {	×
174	path += "/";	×
175	}
176
177	List<VirtualFile> children = directory.getChildren();	×
178	List<String> names = new ArrayList<>(children.size());	×
179	for (VirtualFile vf : children) {	×
180	names.add(path + vf.getPathNameRelativeTo(directory));	×
181	}	×
182
183	return names;	×
184	}
185	}

mybatis / mybatis-3 / #3097

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