001/** 002 * Logback: the reliable, generic, fast and flexible logging framework. 003 * Copyright (C) 1999-2015, QOS.ch. All rights reserved. 004 * 005 * This program and the accompanying materials are dual-licensed under 006 * either the terms of the Eclipse Public License v1.0 as published by 007 * the Eclipse Foundation 008 * 009 * or (per the licensee's choosing) 010 * 011 * under the terms of the GNU Lesser General Public License version 2.1 012 * as published by the Free Software Foundation. 013 */ 014package ch.qos.logback.classic.spi; 015 016import java.io.Serializable; 017 018public class StackTraceElementProxy implements Serializable { 019 020 private static final long serialVersionUID = -2374374378980555982L; 021 022 final StackTraceElement ste; 023 // save a byte or two during serialization, as we can 024 // reconstruct this field from 'ste' 025 transient private String steAsString; 026 027 @Deprecated 028 ClassPackagingData classPackagingData; 029 030 public StackTraceElementProxy(StackTraceElement ste) { 031 if (ste == null) { 032 throw new IllegalArgumentException("ste cannot be null"); 033 } 034 this.ste = ste; 035 } 036 037 public String getSTEAsString() { 038 if (steAsString == null) { 039 steAsString = "at " + ste.toString(); 040 } 041 return steAsString; 042 } 043 044 public StackTraceElement getStackTraceElement() { 045 return ste; 046 } 047 048 public void setClassPackagingData(ClassPackagingData cpd) { 049 if (this.classPackagingData != null) { 050 throw new IllegalStateException("Packaging data has been already set"); 051 } 052 this.classPackagingData = cpd; 053 } 054 055 public ClassPackagingData getClassPackagingData() { 056 return classPackagingData; 057 } 058 059 @Override 060 public int hashCode() { 061 return ste.hashCode(); 062 } 063 064 @Override 065 public boolean equals(Object obj) { 066 if (this == obj) 067 return true; 068 if (obj == null) 069 return false; 070 if (getClass() != obj.getClass()) 071 return false; 072 final StackTraceElementProxy other = (StackTraceElementProxy) obj; 073 074 if (!ste.equals(other.ste)) { 075 return false; 076 } 077 if (classPackagingData == null) { 078 if (other.classPackagingData != null) { 079 return false; 080 } 081 } else if (!classPackagingData.equals(other.classPackagingData)) { 082 return false; 083 } 084 return true; 085 } 086 087 @Override 088 public String toString() { 089 return getSTEAsString(); 090 } 091}