diff -r 3392f250c784 -r ecbd252fd3a7 emul/mini/src/main/java/java/lang/StackTraceElement.java --- a/emul/mini/src/main/java/java/lang/StackTraceElement.java Fri Mar 22 16:59:47 2013 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,223 +0,0 @@ -/* - * Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved. - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This code is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 only, as - * published by the Free Software Foundation. Oracle designates this - * particular file as subject to the "Classpath" exception as provided - * by Oracle in the LICENSE file that accompanied this code. - * - * This code is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * version 2 for more details (a copy is included in the LICENSE file that - * accompanied this code). - * - * You should have received a copy of the GNU General Public License version - * 2 along with this work; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA - * or visit www.oracle.com if you need additional information or have any - * questions. - */ - -package java.lang; - -/** - * An element in a stack trace, as returned by {@link - * Throwable#getStackTrace()}. Each element represents a single stack frame. - * All stack frames except for the one at the top of the stack represent - * a method invocation. The frame at the top of the stack represents the - * execution point at which the stack trace was generated. Typically, - * this is the point at which the throwable corresponding to the stack trace - * was created. - * - * @since 1.4 - * @author Josh Bloch - */ -public final class StackTraceElement implements java.io.Serializable { - // Normally initialized by VM (public constructor added in 1.5) - private String declaringClass; - private String methodName; - private String fileName; - private int lineNumber; - - /** - * Creates a stack trace element representing the specified execution - * point. - * - * @param declaringClass the fully qualified name of the class containing - * the execution point represented by the stack trace element - * @param methodName the name of the method containing the execution point - * represented by the stack trace element - * @param fileName the name of the file containing the execution point - * represented by the stack trace element, or {@code null} if - * this information is unavailable - * @param lineNumber the line number of the source line containing the - * execution point represented by this stack trace element, or - * a negative number if this information is unavailable. A value - * of -2 indicates that the method containing the execution point - * is a native method - * @throws NullPointerException if {@code declaringClass} or - * {@code methodName} is null - * @since 1.5 - */ - public StackTraceElement(String declaringClass, String methodName, - String fileName, int lineNumber) { - this.declaringClass = declaringClass; - this.methodName = methodName; - this.fileName = fileName; - this.lineNumber = lineNumber; - } - - /** - * Returns the name of the source file containing the execution point - * represented by this stack trace element. Generally, this corresponds - * to the {@code SourceFile} attribute of the relevant {@code class} - * file (as per The Java Virtual Machine Specification, Section - * 4.7.7). In some systems, the name may refer to some source code unit - * other than a file, such as an entry in source repository. - * - * @return the name of the file containing the execution point - * represented by this stack trace element, or {@code null} if - * this information is unavailable. - */ - public String getFileName() { - return fileName; - } - - /** - * Returns the line number of the source line containing the execution - * point represented by this stack trace element. Generally, this is - * derived from the {@code LineNumberTable} attribute of the relevant - * {@code class} file (as per The Java Virtual Machine - * Specification, Section 4.7.8). - * - * @return the line number of the source line containing the execution - * point represented by this stack trace element, or a negative - * number if this information is unavailable. - */ - public int getLineNumber() { - return lineNumber; - } - - /** - * Returns the fully qualified name of the class containing the - * execution point represented by this stack trace element. - * - * @return the fully qualified name of the {@code Class} containing - * the execution point represented by this stack trace element. - */ - public String getClassName() { - return declaringClass; - } - - /** - * Returns the name of the method containing the execution point - * represented by this stack trace element. If the execution point is - * contained in an instance or class initializer, this method will return - * the appropriate special method name, {@code } or - * {@code }, as per Section 3.9 of The Java Virtual - * Machine Specification. - * - * @return the name of the method containing the execution point - * represented by this stack trace element. - */ - public String getMethodName() { - return methodName; - } - - /** - * Returns true if the method containing the execution point - * represented by this stack trace element is a native method. - * - * @return {@code true} if the method containing the execution point - * represented by this stack trace element is a native method. - */ - public boolean isNativeMethod() { - return lineNumber == -2; - } - - /** - * Returns a string representation of this stack trace element. The - * format of this string depends on the implementation, but the following - * examples may be regarded as typical: - * - * @see Throwable#printStackTrace() - */ - public String toString() { - return getClassName() + "." + methodName + - (isNativeMethod() ? "(Native Method)" : - (fileName != null && lineNumber >= 0 ? - "(" + fileName + ":" + lineNumber + ")" : - (fileName != null ? "("+fileName+")" : "(Unknown Source)"))); - } - - /** - * Returns true if the specified object is another - * {@code StackTraceElement} instance representing the same execution - * point as this instance. Two stack trace elements {@code a} and - * {@code b} are equal if and only if: - * 
-     *     equals(a.getFileName(), b.getFileName()) &&
-     *     a.getLineNumber() == b.getLineNumber()) &&
-     *     equals(a.getClassName(), b.getClassName()) &&
-     *     equals(a.getMethodName(), b.getMethodName())
-     *
- * where {@code equals} has the semantics of {@link - * java.util.Objects#equals(Object, Object) Objects.equals}. - * - * @param obj the object to be compared with this stack trace element. - * @return true if the specified object is another - * {@code StackTraceElement} instance representing the same - * execution point as this instance. - */ - public boolean equals(Object obj) { - if (obj==this) - return true; - if (!(obj instanceof StackTraceElement)) - return false; - StackTraceElement e = (StackTraceElement)obj; - return e.declaringClass.equals(declaringClass) && - e.lineNumber == lineNumber && - equals(methodName, e.methodName) && - equals(fileName, e.fileName); - } - - /** - * Returns a hash code value for this stack trace element. - */ - public int hashCode() { - int result = 31*declaringClass.hashCode() + methodName.hashCode(); - result = 31*result + (fileName == null ? 0 : fileName.hashCode()); - result = 31*result + lineNumber; - return result; - } - - private static boolean equals(Object a, Object b) { - return (a == b) || (a != null && a.equals(b)); - } - - private static final long serialVersionUID = 6992337162326171013L; -}