/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at
* trunk/opends/resource/legal-notices/OpenDS.LICENSE
* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at
* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
* add the following below this CDDL HEADER, with the fields enclosed
* by brackets "[]" replaced with your own identifying * information:
* Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*
*
* Portions Copyright 2006 Sun Microsystems, Inc.
*/
package org.opends.quicksetup.util;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.net.URLEncoder;
import org.opends.quicksetup.i18n.ResourceProvider;
import org.opends.quicksetup.ui.UIFactory;
/**
* This is an implementation of the ProgressMessageFormatter class that
* provides format in HTML.
*
*/
public class HtmlProgressMessageFormatter implements ProgressMessageFormatter
{
private String doneHtml;
/**
* The line break in HTML.
*/
private static String LINE_BREAK = "
";
/**
* The constant used to separate parameters in an URL.
*/
private String PARAM_SEPARATOR = "&&&&";
/**
* The space in HTML.
*/
private static String SPACE = " ";
/**
* Returns the HTML representation of the text without providing any style.
* @param text the source text from which we want to get the HTML
* representation
* @return the HTML representation for the given text.
*/
public String getFormattedText(String text)
{
return getHtml(text);
}
/**
* Returns the HTML representation of the text that is the summary of the
* installation process (the one that goes in the UI next to the progress
* bar).
* @param text the source text from which we want to get the formatted
* representation
* @return the HTML representation of the summary for the given text.
*/
public String getFormattedSummary(String text)
{
return ""+UIFactory.applyFontToHtml(text, UIFactory.PROGRESS_FONT);
}
/**
* Returns the HTML representation of an error for a given text.
* @param text the source text from which we want to get the HTML
* representation
* @param applyMargin specifies whether we apply a margin or not to the
* resulting HTML.
* @return the HTML representation of an error for the given text.
*/
public String getFormattedError(String text, boolean applyMargin)
{
String html =
UIFactory.getIconHtml(UIFactory.IconType.ERROR_LARGE)
+ SPACE
+ SPACE
+ UIFactory.applyFontToHtml(getHtml(text),
UIFactory.PROGRESS_ERROR_FONT);
String result = UIFactory.applyErrorBackgroundToHtml(html);
if (applyMargin)
{
result =
UIFactory.applyMargin(result,
UIFactory.TOP_INSET_ERROR_MESSAGE, 0, 0, 0);
}
return result;
}
/**
* Returns the HTML representation of a warning for a given text.
* @param text the source text from which we want to get the HTML
* representation
* @param applyMargin specifies whether we apply a margin or not to the
* resulting HTML.
* @return the HTML representation of a warning for the given text.
*/
public String getFormattedWarning(String text, boolean applyMargin)
{
String html =
UIFactory.getIconHtml(UIFactory.IconType.WARNING_LARGE)
+ SPACE
+ SPACE
+ UIFactory.applyFontToHtml(getHtml(text),
UIFactory.PROGRESS_WARNING_FONT);
String result = UIFactory.applyWarningBackgroundToHtml(html);
if (applyMargin)
{
result =
UIFactory.applyMargin(result,
UIFactory.TOP_INSET_ERROR_MESSAGE, 0, 0, 0);
}
return result;
}
/**
* Returns the HTML representation of a success message for a given text.
* @param text the source text from which we want to get the HTML
* representation
* @return the HTML representation of a success message for the given text.
*/
public String getFormattedSuccess(String text)
{
// Note: the text we get already is in HTML form
String html =
UIFactory.getIconHtml(UIFactory.IconType.INFORMATION_LARGE) + SPACE
+ SPACE + UIFactory.applyFontToHtml(text, UIFactory.PROGRESS_FONT);
String result = UIFactory.applySuccessfulBackgroundToHtml(html);
return result;
}
/**
* Returns the HTML representation of a log error message for a given
* text.
* @param text the source text from which we want to get the HTML
* representation
* @return the HTML representation of a log error message for the given
* text.
*/
public String getFormattedLogError(String text)
{
String html = getHtml(text);
return UIFactory.applyFontToHtml(html,
UIFactory.PROGRESS_LOG_ERROR_FONT);
}
/**
* Returns the HTML representation of a log message for a given text.
* @param text the source text from which we want to get the HTML
* representation
* @return the HTML representation of a log message for the given text.
*/
public String getFormattedLog(String text)
{
String html = getHtml(text);
return UIFactory.applyFontToHtml(html, UIFactory.PROGRESS_LOG_FONT);
}
/**
* Returns the HTML representation of the 'Done' text string.
* @return the HTML representation of the 'Done' text string.
*/
public String getFormattedDone()
{
if (doneHtml == null)
{
String html = getHtml(getMsg("progress-done"));
doneHtml = UIFactory.applyFontToHtml(html,
UIFactory.PROGRESS_DONE_FONT);
}
return doneHtml;
}
/**
* Returns the HTML representation of the argument text to which we add
* points. For instance if we pass as argument 'Configuring Server' the
* return value will be 'Configuring Server .....'.
* @param text the String to which add points.
* @return the HTML representation of the '.....' text string.
*/
public String getFormattedWithPoints(String text)
{
String html = getHtml(text);
String points = SPACE + getHtml(getMsg("progress-points")) + SPACE;
StringBuffer buf = new StringBuffer();
buf.append(UIFactory.applyFontToHtml(html, UIFactory.PROGRESS_FONT))
.append(
UIFactory.applyFontToHtml(points, UIFactory.PROGRESS_POINTS_FONT));
return buf.toString();
}
/**
* Returns the formatted representation of a progress message for a given
* text.
* @param text the source text from which we want to get the formatted
* representation
* @return the formatted representation of a progress message for the given
* text.
*/
public String getFormattedProgress(String text)
{
return UIFactory.applyFontToHtml(getHtml(text),
UIFactory.PROGRESS_FONT);
}
/**
* Returns the HTML representation of an error message for a given exception.
* This method applies a margin if the applyMargin parameter is
* true.
* @param ex the exception.
* @param applyMargin specifies whether we apply a margin or not to the
* resulting HTML.
* @return the HTML representation of an error message for the given
* exception.
*/
public String getFormattedError(Exception ex, boolean applyMargin)
{
String openDiv = "";
String hideText =
UIFactory.applyFontToHtml(getMsg("hide-exception-details"),
UIFactory.PROGRESS_FONT);
String showText =
UIFactory.applyFontToHtml(getMsg("show-exception-details"),
UIFactory.PROGRESS_FONT);
String closeDiv = "
";
StringBuffer stackBuf = new StringBuffer();
stackBuf.append(getHtmlStack(ex));
Throwable root = ex.getCause();
while (root != null)
{
stackBuf.append(getHtml(getMsg("exception-root-cause")) + LINE_BREAK);
stackBuf.append(getHtmlStack(root));
root = root.getCause();
}
String stackText =
UIFactory.applyFontToHtml(stackBuf.toString(), UIFactory.STACK_FONT);
StringBuffer buf = new StringBuffer();
String msg = ex.getMessage();
if (msg != null)
{
buf.append(UIFactory.applyFontToHtml(getHtml(ex.getMessage()),
UIFactory.PROGRESS_ERROR_FONT)
+ LINE_BREAK);
} else
{
buf.append(ex.toString() + LINE_BREAK);
}
buf.append(getErrorWithStackHtml(openDiv, hideText, showText, stackText,
closeDiv, false));
String html =
UIFactory.getIconHtml(UIFactory.IconType.ERROR_LARGE) + SPACE + SPACE
+ buf.toString();
String result;
if (applyMargin)
{
result =
UIFactory.applyMargin(UIFactory.applyErrorBackgroundToHtml(html),
UIFactory.TOP_INSET_ERROR_MESSAGE, 0, 0, 0);
} else
{
result = UIFactory.applyErrorBackgroundToHtml(html);
}
return result;
}
/**
* Returns the line break in HTML.
* @return the line break in HTML.
*/
public String getLineBreak()
{
return LINE_BREAK;
}
/**
* Returns the tab in HTML.
* @return the tab in HTML.
*/
public String getTab()
{
return SPACE+SPACE+SPACE+SPACE+SPACE;
}
/**
* Returns the task separator in HTML.
* @return the task separator in HTML.
*/
public String getTaskSeparator()
{
return UIFactory.HTML_SEPARATOR;
}
/**
* Returns the log HTML representation after the user has clicked on a url.
*
* @see getErrorWithStackHtml
* @param url that has been clicked
* @param lastText the HTML representation of the log before clicking on the
* url.
* @return the log HTML representation after the user has clicked on a url.
*/
public String getFormattedAfterUrlClick(String url, String lastText)
{
String urlText = getErrorWithStackHtml(url, false);
String newUrlText = getErrorWithStackHtml(url, true);
int index = lastText.indexOf(urlText);
if (index == -1)
{
System.out.println("lastText: " + lastText);
System.out.println("does not contain: " + urlText);
} else
{
lastText =
lastText.substring(0, index) + newUrlText
+ lastText.substring(index + urlText.length());
}
return lastText;
}
/**
* Returns the HTML representation for a given text. without adding any kind
* of font or style elements. Just escapes the problematic characters
* (like '<') and transform the break lines into '\n' characters.
*
* @param text the source text from which we want to get the HTML
* representation
* @return the HTML representation for the given text.
*/
private String getHtml(String text)
{
StringBuffer buffer = new StringBuffer();
text = text.replaceAll("\r\n", "\n");
String[] lines = text.split("[\n\r\u0085\u2028\u2029]");
for (int i = 0; i < lines.length; i++)
{
if (i != 0)
{
buffer.append("
");
}
buffer.append(escape(lines[i]));
}
return buffer.toString();
}
/**
* Returns the HTML representation of a plain text string which is obtained
* by converting some special characters (like '<') into its equivalent
* escaped HTML representation.
*
* @param rawString the String from which we want to obtain the HTML
* representation.
* @return the HTML representation of the plain text string.
*/
private String escape(String rawString)
{
StringBuffer buffer = new StringBuffer();
for (int i = 0; i < rawString.length(); i++)
{
char c = rawString.charAt(i);
switch (c)
{
case '<':
buffer.append("<");
break;
case '>':
buffer.append(">");
break;
case '&':
buffer.append("&");
break;
case '"':
buffer.append(""");
break;
default:
buffer.append(c);
break;
}
}
return buffer.toString();
}
/**
* Returns a localized message for a key value. In the properties file we
* have something of type:
* key=value
*
* @see ResourceProvider.getMsg(String key)
* @param key the key in the properties file.
* @return the value associated to the key in the properties file.
* properties file.
*/
private String getMsg(String key)
{
return getI18n().getMsg(key);
}
/**
* Returns a ResourceProvider instance.
* @return a ResourceProvider instance.
*/
private ResourceProvider getI18n()
{
return ResourceProvider.getInstance();
}
/**
* Returns a HTML representation of the stack trace of a Throwable object.
* @param ex the throwable object from which we want to obtain the stack
* trace HTML representation.
* @return a HTML representation of the stack trace of a Throwable object.
*/
private String getHtmlStack(Throwable ex)
{
StringBuffer buf = new StringBuffer();
StackTraceElement[] stack = ex.getStackTrace();
for (int i = 0; i < stack.length; i++)
{
buf.append(SPACE + SPACE + SPACE + SPACE + SPACE + SPACE + SPACE +
SPACE + SPACE + SPACE + getHtml(stack[i].toString()) + LINE_BREAK);
}
return buf.toString();
}
/**
* Returns the HTML representation of an exception in the
* progress log.
* We can have something of type:
*
* An error occurred. java.io.IOException could not connect to server.
* Show Details
*
* When the user clicks on 'Show Details' the whole stack will be displayed.
*
* An error occurred. java.io.IOException could not connect to server.
* Hide Details
* ... And here comes all the stack trace representation
*
*
* As the object that listens to this hyperlink events is not here (it is
* QuickSetupStepPanel) we must include all the information somewhere. The
* chosen solution is to include everything in the URL using parameters.
* This everything consists of:
* The open div tag for the text.
* The text that we display when we do not display the exception.
* The text that we display when we display the exception.
* The stack trace text.
* The closing div.
* A boolean informing if we are hiding the exception or not (to know in the
* next event what must be displayed).
*
* @param openDiv the open div tag for the text.
* @param hideText the text that we display when we do not display the
* exception.
* @param showText the text that we display when we display the exception.
* @param stackText the stack trace text.
* @param closeDiv the closing div.
* @param hide a boolean informing if we are hiding the exception or not.
* @return the HTML representation of an error message with an stack trace.
*/
private String getErrorWithStackHtml(String openDiv, String hideText,
String showText, String stackText, String closeDiv, boolean hide)
{
StringBuffer buf = new StringBuffer();
String params =
getUrlParams(openDiv, hideText, showText, stackText, closeDiv, hide);
try
{
String text = hide ? hideText : showText;
buf.append(openDiv + "" + text + "");
if (hide)
{
buf.append(LINE_BREAK + stackText);
}
buf.append(closeDiv);
} catch (UnsupportedEncodingException uee)
{
// Bug
throw new IllegalStateException("UTF-8 is not supported ", uee);
}
return buf.toString();
}
/**
* Gets the url parameters of the href we construct in getErrorWithStackHtml.
* @see getErrorWithStackHtml
* @param openDiv the open div tag for the text.
* @param hideText the text that we display when we do not display the
* exception.
* @param showText the text that we display when we display the exception.
* @param stackText the stack trace text.
* @param closeDiv the closing div.
* @param hide a boolean informing if we are hiding the exception or not.
* @return the url parameters of the href we construct in getHrefString.
*/
private String getUrlParams(String openDiv, String hideText,
String showText, String stackText, String closeDiv, boolean hide)
{
StringBuffer buf = new StringBuffer();
buf.append(openDiv + PARAM_SEPARATOR);
buf.append(hideText + PARAM_SEPARATOR);
buf.append(showText + PARAM_SEPARATOR);
buf.append(stackText + PARAM_SEPARATOR);
buf.append(closeDiv + PARAM_SEPARATOR);
buf.append(hide);
return buf.toString();
}
/**
* Returns the HTML representation of an exception in the
* progress log for a given url.
* @see getHrefString
* @param url the url containing all the information required to retrieve
* the HTML representation.
* @param inverse indicates whether we want to 'inverse' the representation
* or not. For instance if the url specifies that the stack is being hidden
* and this parameter is true the resulting HTML will display
* the stack.
* @return the HTML representation of an exception in the progress log for a
* given url.
*/
private String getErrorWithStackHtml(String url, boolean inverse)
{
String p = url.substring("http://".length());
try
{
p = URLDecoder.decode(p, "UTF-8");
} catch (UnsupportedEncodingException uee)
{
// Bug
throw new IllegalStateException("UTF-8 is not supported ", uee);
}
String params[] = p.split(PARAM_SEPARATOR);
int i = 0;
String openDiv = params[i++];
String hideText = params[i++];
String showText = params[i++];
String stackText = params[i++];
String closeDiv = params[i++];
boolean isHide = new Boolean(params[i]);
if (isHide)
{
return getErrorWithStackHtml(openDiv, hideText, showText, stackText,
closeDiv, !inverse);
} else
{
return getErrorWithStackHtml(openDiv, hideText, showText, stackText,
closeDiv, inverse);
}
}
}