AfflictionNetworks/samskivert
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Added a getParameter() that returns a default string if the desired parameter

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is not specified.


git-svn-id: https://samskivert.googlecode.com/svn/trunk@1720 6335cc39-0255-0410-8fd6-9bcaacd3b74c
This commit is contained in:
mdb
2005-10-18 18:50:33 +00:00
parent ba033e20ad
commit ebb34d206d
1 changed files with 14 additions and 6 deletions
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projects/samskivert/src/java/com/samskivert/servlet/util/ParameterUtil.java
+14 -6
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@@ -3,7 +3,7 @@
// //
// samskivert library - useful routines for java programs // samskivert library - useful routines for java programs
// Copyright (C) 2001 Michael Bayne // Copyright (C) 2001 Michael Bayne
// //
// This library is free software; you can redistribute it and/or modify it // This library is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License as published // under the terms of the GNU Lesser General Public License as published
// by the Free Software Foundation; either version 2.1 of the License, or // by the Free Software Foundation; either version 2.1 of the License, or
@@ -56,7 +56,6 @@ public class ParameterUtil
String value = req.getParameter(name); String value = req.getParameter(name);
if (value == null) { if (value == null) {
return returnNull ? null : ""; return returnNull ? null : "";
} else { } else {
return value.trim(); return value.trim();
} }
@@ -74,7 +73,6 @@ public class ParameterUtil
{ {
return parseFloatParameter( return parseFloatParameter(
getParameter(req, name, false), invalidDataMessage); getParameter(req, name, false), invalidDataMessage);
} }
/** /**
@@ -89,7 +87,6 @@ public class ParameterUtil
{ {
return parseIntParameter( return parseIntParameter(
getParameter(req, name, false), invalidDataMessage); getParameter(req, name, false), invalidDataMessage);
} }
/** /**
@@ -147,7 +144,7 @@ public class ParameterUtil
/** /**
* Fetches all the values from the request with the specified name and * Fetches all the values from the request with the specified name and
* converts them to a HashSet. * converts them to a HashSet.
*/ */
public static HashSet getParameters (HttpServletRequest req, String name) public static HashSet getParameters (HttpServletRequest req, String name)
throws DataValidationException throws DataValidationException
@@ -163,7 +160,18 @@ public class ParameterUtil
} }
return set; return set;
} }
/**
* Fetches the supplied parameter from the request. If the parameter does
* not exist, <code>defval</code> is returned.
*/
public static String getParameter (
HttpServletRequest req, String name, String defval)
{
String value = req.getParameter(name);
return StringUtil.blank(value) ? defval : value.trim();
}
/** /**
* Fetches the supplied parameter from the request and converts it to * Fetches the supplied parameter from the request and converts it to
* an integer. If the parameter does not exist, <code>defval</code> is * an integer. If the parameter does not exist, <code>defval</code> is