root / trunk / libraries / libExceptions / src / org / gvsig / exceptions / BaseException.java @ 9659
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package org.gvsig.exceptions; |
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import java.util.Map; |
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import java.util.Iterator; |
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/**
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* @author Equipo de desarrollo de gvSIG.
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*
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*/
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public abstract class BaseException extends Exception implements IBaseException { |
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private final static String BLANKS =" "; |
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static IExceptionTranslator translator= null; |
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protected String messageKey; |
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protected String formatString; |
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/**
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* Unique code of error.
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*/
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protected long code; |
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/**
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* Returns the format string received in the parameter
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* with its keys replaced with the corresponding values of the map.
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*
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* @param formatString
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* @param values map
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* @return string formatted
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*/
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private String format(String formatString, Map values) { |
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String key;
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String ret = formatString;
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Iterator keys = values.keySet().iterator();
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while (keys.hasNext()){
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key = (String) keys.next();
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ret = ret.replaceAll("%\\("+key+"\\)s", (String)values.get(key)); |
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} |
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return ret;
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} |
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/* (non-Javadoc)
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* @see java.lang.Throwable#getMessage()
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*/
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public String getMessage() { |
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return format(this.formatString, values()); |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.exceptions.IBaseException#getMessage(int)
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*/
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public String getMessage(int indent) { |
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return insertBlanksAtStart(format(formatString, values()),indent);
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} |
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/* (non-Javadoc)
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* @see java.lang.Throwable#getLocalizedMessage()
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*/
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public String getLocalizedMessage() { |
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return getLocalizedMessage(translator,0); |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.exceptions.IBaseException#getLocalizedMessage(org.gvsig.exceptions.IExceptionTranslator, int)
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*/
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public String getLocalizedMessage(IExceptionTranslator translator, int indent){ |
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String fmt;
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if (translator == null){ |
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translator = BaseException.translator; |
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} |
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if (translator == null){ |
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fmt = getFormatString(); |
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} else {
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fmt = getMessageKey(); |
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if (fmt == null){ |
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fmt = getFormatString(); |
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} else {
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fmt = translator.getText(fmt); |
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} |
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} |
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return insertBlanksAtStart(format(fmt,values()),indent);
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} |
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/* (non-Javadoc)
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* @see org.gvsig.exceptions.IBaseException#getMessageStack()
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*/
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public String getMessageStack() { |
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return getMessageStack(0); |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.exceptions.IBaseException#getMessageStack(int)
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*/
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public String getMessageStack(int indent) { |
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Iterator iter = this.iterator(); |
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String msg=""; |
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String msg1;
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Exception ex;
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int i = 1; |
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while (iter.hasNext()){
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ex = ((Exception)iter.next());
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if ( ex instanceof BaseException ) { |
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BaseException bex = (BaseException) ex; |
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msg1 = bex.getMessage(indent*i); |
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} else {
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msg1 = insertBlanksAtStart(ex.getMessage(),indent*i); |
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} |
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if(msg1!=null && !msg1.equals("")){ |
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msg = msg + msg1 + "\n";
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} |
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i++; |
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} |
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return msg;
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} |
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/* (non-Javadoc)
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* @see org.gvsig.exceptions.IBaseException#getLocalizedMessageStack()
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*/
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public String getLocalizedMessageStack() { |
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return getLocalizedMessageStack(BaseException.translator,0); |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.exceptions.IBaseException#getLocalizedMessageStack(org.gvsig.exceptions.IExceptionTranslator, int)
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*/
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public String getLocalizedMessageStack(IExceptionTranslator translator, int indent) { |
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Iterator iter = this.iterator(); |
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String msg=""; |
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Exception ex;
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while (iter.hasNext()){
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ex = ((Exception)iter.next());
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if ( ex instanceof BaseException ) { |
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BaseException bex = (BaseException) ex; |
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msg = msg + bex.getLocalizedMessage(translator,indent) + "\n";
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} else {
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msg = msg + ex.getLocalizedMessage()+ "\n";
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} |
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} |
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return msg;
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} |
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/**
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* Inserts blanks at the start of a string.
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*
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* @param str A string.
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* @param len Quantity of blanks to insert at the start of str.
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* @return A string compund by the quantity of blanks that
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* len indicates and str.
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*/
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static String insertBlanksAtStart(String str, int len){ |
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try {
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return BLANKS.substring(0,len)+str; |
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} catch (IndexOutOfBoundsException e) { |
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return BLANKS + str;
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} |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.exceptions.IBaseException#getCode()
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*/
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public long getCode() { |
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return this.code; |
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} |
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/**
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* Sets the exception's code.
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*/
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public void setCode(long code) { |
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this.code = code;
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} |
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/* (non-Javadoc)
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* @see org.gvsig.exceptions.IBaseException#getFormatString()
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*/
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public String getFormatString() { |
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return this.formatString; |
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} |
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/**
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* Sets the format string.
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*
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* @param formatString
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*/
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public void setFormatString(String formatString) { |
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this.formatString = formatString;
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} |
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/* (non-Javadoc)
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* @see org.gvsig.exceptions.IBaseException#getMessageKey()
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*/
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public String getMessageKey() { |
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return this.messageKey; |
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} |
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/**
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* Sets the property messageKey.
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*
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* @param messageKey
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*/
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public void setMessageKey(String messageKey) { |
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this.messageKey = messageKey;
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} |
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/* (non-Javadoc)
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* @see org.gvsig.exceptions.IBaseException#iterator()
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*/
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public Iterator iterator() { |
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return new BaseExceptionIterator(this); |
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} |
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/**
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* @return A map that serves to replace in the format string
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* the keys with the corresponding values.
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*/
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abstract protected Map values(); |
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/**
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* Sets the property translator.
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* @param translator It(He,She) is used to translate
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* the messages associated with the exceptions.
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*/
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public static void setTranslator(IExceptionTranslator translator){ |
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BaseException.translator = translator; |
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} |
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} |