public class Format
extends java.lang.Object
Constructor and Description |
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Format() |
Modifier and Type | Method and Description |
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static java.lang.String |
deQuote(java.lang.String str)
Remove surrounding quotes (" or ') from a string.
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static java.lang.String |
getProperty(java.util.Properties props,
java.lang.String expr,
java.lang.String defaultValue)
Allow a property name to contain the value of another
property, permitting nested variable substitution in attribute
values.
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static boolean |
isFalse(java.lang.String s)
See if a String represents a "false" boolean value, which consists of:
"no", "false", "off", or "0", in any case.
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static boolean |
isTrue(java.lang.String s)
See if a String represents a "true" boolean value, which consists of:
"yes", "true", "on", or "1", in any case.
|
static java.lang.String |
subst(java.util.Dictionary props,
java.lang.String str)
Allow a tag attribute value to contain the value of another
property, permitting nested variable substitution in attribute
values.
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static java.lang.String |
subst(java.util.Dictionary props,
java.lang.String str,
boolean noEsc)
Allow a tag attribute value to contain the value of another
property, permitting nested variable substitution in attribute
values.
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static java.lang.String |
unsubst(java.lang.String data)
Make an html string suitable for including as an attribute value.
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public static java.lang.String getProperty(java.util.Properties props, java.lang.String expr, java.lang.String defaultValue)
subst(java.util.Dictionary, java.lang.String)
.
"ghi" => "foo"
"deffoojkl" => "baz"
"abcbazmno" => "garply"
getProperty("ghi") => "foo"
getProperty("def${ghi}jkl") => "baz"
getProperty("abc${def${ghi}jkl}mno") => "garply"
props
- The table of variables to use when substituting.expr
- The property name, prossibly containing substitutions.defaultValue
- The value to use if the top-level substitution does not
exist. May be null
.public static java.lang.String subst(java.util.Dictionary props, java.lang.String str)
The sequence "\X" is identical to "X", except when "X" is one of:
"ghi" = "foo"
"deffoojkl" = "baz"
"abcbazmno" = "garply"
subst("ghi") = "ghi"
subst("def${ghi}jkl") = "deffoojkl"
subst("def\${ghi}jkl") = "def${ghi}jkl"
subst("abc${def${ghi}jkl}mno") = "abcbazmno"
subst("${abc${def${ghi}jkl}mno}") = "garply"
props
- The table of variables to substitute.
If this is a Properties object, then the
getProperty() method is used instead of the
Dictionary class get() method.str
- The expression containing the substitutions.
Embedded property names, bracketted by "${" and "}"
are looked up in the props table and replaced with
their value. Nested substitutions are allowed.public static java.lang.String subst(java.util.Dictionary props, java.lang.String str, boolean noEsc)
above
.
if noEsc
is true, then
The sequence "\X" is identical to "\X" for all X except X=$.
public static boolean isTrue(java.lang.String s)
public static boolean isFalse(java.lang.String s)
public static java.lang.String deQuote(java.lang.String str)
public static java.lang.String unsubst(java.lang.String data)