public class ExpressionFactoryImpl
extends javax.el.ExpressionFactory
META-INF/services/javax.el.ExpressionFactory
. Calling
ExpressionFactory.newInstance()
will then return an instance of this class, configured as
described below.
If no properties are specified at construction time, properties are read from
JAVA_HOME/lib/el.properties
exists and if it contains property
javax.el.ExpressionFactory
whose value is the name of this class, these properties
are taken as default properties.javax.el.ExpressionFactory
is set to the name of
this class, the system properties System.getProperties()
are taken as default properties.
el.properties
on your classpath. These properties override the properties from
JAVA_HOME/lib/el.properties
or System.getProperties()
.Properties
.
Having this, the following properties are read:
javax.el.cacheSize
- cache size (int, default is 1000)javax.el.methodInvocations
- allow method invocations as in
${foo.bar(baz)}
(boolean, default is false
).javax.el.nullProperties
- resolve null
properties as in
${foo[null]}
(boolean, default is false
).javax.el.varArgs
- support function/method calls using varargs (boolean, default is
false
).Modifier and Type | Class and Description |
---|---|
static class |
ExpressionFactoryImpl.Profile
A profile provides a default set of language features that will define the builder's
behavior.
|
Modifier and Type | Field and Description |
---|---|
static String |
PROP_CACHE_SIZE
javax.el.cacheSize |
static String |
PROP_IGNORE_RETURN_TYPE
javax.el.ignoreReturnType |
static String |
PROP_METHOD_INVOCATIONS
javax.el.methodInvocations |
static String |
PROP_NULL_PROPERTIES
javax.el.nullProperties |
static String |
PROP_VAR_ARGS
javax.el.varArgs |
Constructor and Description |
---|
ExpressionFactoryImpl()
Create a new expression factory using the default builder and cache implementations.
|
ExpressionFactoryImpl(ExpressionFactoryImpl.Profile profile)
Create a new expression factory using the default builder and cache implementations.
|
ExpressionFactoryImpl(ExpressionFactoryImpl.Profile profile,
Properties properties)
Create a new expression factory using the default builder and cache implementations.
|
ExpressionFactoryImpl(ExpressionFactoryImpl.Profile profile,
Properties properties,
TypeConverter converter)
Create a new expression factory using the default builder and cache implementations.
|
ExpressionFactoryImpl(Properties properties)
Create a new expression factory using the default builder and cache implementations.
|
ExpressionFactoryImpl(Properties properties,
TypeConverter converter)
Create a new expression factory using the default builder and cache implementations.
|
ExpressionFactoryImpl(TreeStore store)
Create a new expression factory.
|
ExpressionFactoryImpl(TreeStore store,
TypeConverter converter)
Create a new expression factory.
|
Modifier and Type | Method and Description |
---|---|
Object |
coerceToType(Object obj,
Class<?> targetType) |
TreeMethodExpression |
createMethodExpression(javax.el.ELContext context,
String expression,
Class<?> expectedReturnType,
Class<?>[] expectedParamTypes) |
protected TreeBuilder |
createTreeBuilder(Properties properties,
Builder.Feature... features)
Create the factory's builder.
|
protected TreeStore |
createTreeStore(int defaultCacheSize,
ExpressionFactoryImpl.Profile profile,
Properties properties)
Create the factory's tree store.
|
protected TypeConverter |
createTypeConverter(Properties properties)
Create the factory's type converter.
|
TreeValueExpression |
createValueExpression(javax.el.ELContext context,
String expression,
Class<?> expectedType) |
ObjectValueExpression |
createValueExpression(Object instance,
Class<?> expectedType) |
public static final String PROP_METHOD_INVOCATIONS
javax.el.methodInvocations
public static final String PROP_VAR_ARGS
javax.el.varArgs
public static final String PROP_NULL_PROPERTIES
javax.el.nullProperties
public static final String PROP_IGNORE_RETURN_TYPE
javax.el.ignoreReturnType
public static final String PROP_CACHE_SIZE
javax.el.cacheSize
public ExpressionFactoryImpl()
el.properties
(see above). The maximum
cache size will be 1000 unless overridden in el.properties
. The builder profile
is ExpressionFactoryImpl.Profile.JEE6
(features may be overridden in el.properties
).public ExpressionFactoryImpl(ExpressionFactoryImpl.Profile profile)
el.properties
(see above). The maximum cache size will be 1000 unless overridden in
el.properties
.profile
- builder profile (features may be overridden in el.properties
)public ExpressionFactoryImpl(Properties properties)
javax.el.cacheSize
. The builder profile is
ExpressionFactoryImpl.Profile.JEE6
(features may be overridden in properties
).properties
- used to initialize this factory (may be null
)public ExpressionFactoryImpl(ExpressionFactoryImpl.Profile profile, Properties properties)
javax.el.cacheSize
.profile
- builder profile (individual features may be overridden in properties)properties
- used to initialize this factory (may be null
)public ExpressionFactoryImpl(Properties properties, TypeConverter converter)
javax.el.cacheSize
. The builder profile is
ExpressionFactoryImpl.Profile.JEE6
(individual features may be overridden in properties
).properties
- used to initialize this factory (may be null
)converter
- custom type converterpublic ExpressionFactoryImpl(ExpressionFactoryImpl.Profile profile, Properties properties, TypeConverter converter)
javax.el.cacheSize
.profile
- builder profile (individual features may be overridden in properties)properties
- used to initialize this factory (may be null
)converter
- custom type converterpublic ExpressionFactoryImpl(TreeStore store)
store
- the tree store used to parse and cache parse trees.public ExpressionFactoryImpl(TreeStore store, TypeConverter converter)
store
- the tree store used to parse and cache parse trees.converter
- custom type converterprotected TreeStore createTreeStore(int defaultCacheSize, ExpressionFactoryImpl.Profile profile, Properties properties)
javax.el.cacheSize
.protected TypeConverter createTypeConverter(Properties properties)
de.odysseus.el.misc.TypeConverter
property as the name of a class implementing
the de.odysseus.el.misc.TypeConverter
interface. If the property is not set, the
default converter (TypeConverter.DEFAULT
) is used.protected TreeBuilder createTreeBuilder(Properties properties, Builder.Feature... features)
de.odysseus.el.tree.TreeBuilder
property as a name of a class implementing the
de.odysseus.el.tree.TreeBuilder
interface. If the property is not set, a plain
de.odysseus.el.tree.impl.Builder
is used. If the configured class is a subclass
of de.odysseus.el.tree.impl.Builder
and which provides a constructor taking an
array of Builder.Feature
, this constructor will be invoked. Otherwise, the
default constructor will be used.public final Object coerceToType(Object obj, Class<?> targetType)
coerceToType
in class javax.el.ExpressionFactory
public final ObjectValueExpression createValueExpression(Object instance, Class<?> expectedType)
createValueExpression
in class javax.el.ExpressionFactory
public final TreeValueExpression createValueExpression(javax.el.ELContext context, String expression, Class<?> expectedType)
createValueExpression
in class javax.el.ExpressionFactory
public final TreeMethodExpression createMethodExpression(javax.el.ELContext context, String expression, Class<?> expectedReturnType, Class<?>[] expectedParamTypes)
createMethodExpression
in class javax.el.ExpressionFactory
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