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提供java常用的、流行的工具方法,减少项目冗余代码
package com.seejoke.script;
import javax.script.ScriptException;
/**
* 脚本运行时异常
*
* @author seejoke
*/
public class ScriptRuntimeException extends RuntimeException {
private static final long serialVersionUID = 8247610319171014183L;
private String fileName;
private int lineNumber = -1;
private int columnNumber = -1;
public ScriptRuntimeException(Throwable e) {
super(e.getMessage(), e);
}
public ScriptRuntimeException(String message) {
super(message);
}
public ScriptRuntimeException(String messageTemplate, Object... params) {
super(messageTemplate + params);
}
public ScriptRuntimeException(String message, Throwable throwable) {
super(message, throwable);
}
public ScriptRuntimeException(Throwable throwable, String messageTemplate, Object... params) {
super(messageTemplate + params + throwable);
}
/**
* Creates a ScriptException
with message, filename and linenumber to be used in error messages.
*
* @param message The string to use in the message
* @param fileName The file or resource name describing the location of a script error causing the ScriptException
to be thrown.
* @param lineNumber A line number describing the location of a script error causing the ScriptException
to be thrown.
*/
public ScriptRuntimeException(String message, String fileName, int lineNumber) {
super(message);
this.fileName = fileName;
this.lineNumber = lineNumber;
this.columnNumber = -1;
}
/**
* ScriptException
constructor specifying message, filename, line number and column number.
*
* @param message The message.
* @param fileName The filename
* @param lineNumber the line number.
* @param columnNumber the column number.
*/
public ScriptRuntimeException(String message, String fileName, int lineNumber, int columnNumber) {
super(message);
this.fileName = fileName;
this.lineNumber = lineNumber;
this.columnNumber = columnNumber;
}
public ScriptRuntimeException(ScriptException e) {
super(e);
this.fileName = e.getFileName();
this.lineNumber = e.getLineNumber();
this.columnNumber = e.getColumnNumber();
}
/**
* Returns a message containing the String passed to a constructor as well as line and column numbers and filename if any of these are known.
*
* @return The error message.
*/
@Override
public String getMessage() {
String ret = super.getMessage();
if (fileName != null) {
ret += (" in " + fileName);
if (lineNumber != -1) {
ret += " at line number " + lineNumber;
}
if (columnNumber != -1) {
ret += " at column number " + columnNumber;
}
}
return ret;
}
/**
* Get the line number on which an error occurred.
*
* @return The line number. Returns -1 if a line number is unavailable.
*/
public int getLineNumber() {
return lineNumber;
}
/**
* Get the column number on which an error occurred.
*
* @return The column number. Returns -1 if a column number is unavailable.
*/
public int getColumnNumber() {
return columnNumber;
}
/**
* Get the source of the script causing the error.
*
* @return The file name of the script or some other string describing the script source. May return some implementation-defined string such as <unknown> if a description of the
* source is unavailable.
*/
public String getFileName() {
return fileName;
}
}