本文整理匯總了Java中javax.el.VariableMapper.resolveVariable方法的典型用法代碼示例。如果您正苦於以下問題:Java VariableMapper.resolveVariable方法的具體用法?Java VariableMapper.resolveVariable怎麽用?Java VariableMapper.resolveVariable使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類javax.el.VariableMapper
的用法示例。
在下文中一共展示了VariableMapper.resolveVariable方法的15個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: setValue
import javax.el.VariableMapper; //導入方法依賴的package包/類
@Override
public void setValue(EvaluationContext ctx, Object value)
throws ELException {
VariableMapper varMapper = ctx.getVariableMapper();
if (varMapper != null) {
ValueExpression expr = varMapper.resolveVariable(this.image);
if (expr != null) {
expr.setValue(ctx.getELContext(), value);
return;
}
}
ctx.setPropertyResolved(false);
ctx.getELResolver().setValue(ctx, null, this.image, value);
if (!ctx.isPropertyResolved()) {
throw new PropertyNotFoundException(MessageFactory.get(
"error.resolver.unhandled.null", this.image));
}
}
示例2: getType
import javax.el.VariableMapper; //導入方法依賴的package包/類
@Override
public Class<?> getType(EvaluationContext ctx) throws ELException {
VariableMapper varMapper = ctx.getVariableMapper();
if (varMapper != null) {
ValueExpression expr = varMapper.resolveVariable(this.image);
if (expr != null) {
return expr.getType(ctx.getELContext());
}
}
ctx.setPropertyResolved(false);
Class<?> result = ctx.getELResolver().getType(ctx, null, this.image);
if (!ctx.isPropertyResolved()) {
throw new PropertyNotFoundException(MessageFactory.get(
"error.resolver.unhandled.null", this.image));
}
return result;
}
示例3: getValue
import javax.el.VariableMapper; //導入方法依賴的package包/類
@Override
public Object getValue(EvaluationContext ctx) throws ELException {
VariableMapper varMapper = ctx.getVariableMapper();
if (varMapper != null) {
ValueExpression expr = varMapper.resolveVariable(this.image);
if (expr != null) {
return expr.getValue(ctx.getELContext());
}
}
ctx.setPropertyResolved(false);
Object result = ctx.getELResolver().getValue(ctx, null, this.image);
if (!ctx.isPropertyResolved()) {
throw new PropertyNotFoundException(MessageFactory.get(
"error.resolver.unhandled.null", this.image));
}
return result;
}
示例4: isReadOnly
import javax.el.VariableMapper; //導入方法依賴的package包/類
@Override
public boolean isReadOnly(EvaluationContext ctx) throws ELException {
VariableMapper varMapper = ctx.getVariableMapper();
if (varMapper != null) {
ValueExpression expr = varMapper.resolveVariable(this.image);
if (expr != null) {
return expr.isReadOnly(ctx.getELContext());
}
}
ctx.setPropertyResolved(false);
boolean result = ctx.getELResolver().isReadOnly(ctx, null, this.image);
if (!ctx.isPropertyResolved()) {
throw new PropertyNotFoundException(MessageFactory.get(
"error.resolver.unhandled.null", this.image));
}
return result;
}
示例5: getValueReference
import javax.el.VariableMapper; //導入方法依賴的package包/類
@Override
public ValueReference getValueReference(EvaluationContext ctx) {
VariableMapper varMapper = ctx.getVariableMapper();
if (varMapper == null) {
return null;
}
ValueExpression expr = varMapper.resolveVariable(this.image);
if (expr == null) {
return null;
}
return expr.getValueReference(ctx);
}
示例6: _backupContextVariables
import javax.el.VariableMapper; //導入方法依賴的package包/類
/**
* Saves the var and varStatus information from both the variable mapper as well as the
* page context so that the values may be restored to their values after the for each tag
* has finished iterating.
* @param vm the current variable mapper
*/
private void _backupContextVariables(VariableMapper vm)
{
if (_var != null)
{
// Store off the current values used by the var name so that it may be restored after
// tag processing
_previousVarExpression = vm.resolveVariable(_var);
_previousPageContextVarValue = pageContext.getAttribute(_var);
}
if (_varStatus != null)
{
// Store off the current values for the varStatus name to be able to restore it after
// processing this tag
_previousVarStatusExpression = vm.resolveVariable(_varStatus);
_previousPageContextVarStatusValue = pageContext.getAttribute(_varStatus);
}
}
示例7: isReadOnly
import javax.el.VariableMapper; //導入方法依賴的package包/類
@Override
public boolean isReadOnly(EvaluationContext ctx) throws ELException {
VariableMapper varMapper = ctx.getVariableMapper();
if (varMapper != null) {
ValueExpression expr = varMapper.resolveVariable(this.image);
if (expr != null) {
return expr.isReadOnly(ctx.getELContext());
}
}
ctx.setPropertyResolved(false);
boolean result = ctx.getELResolver().isReadOnly(ctx, null, this.image);
if (!ctx.isPropertyResolved()) {
throw new PropertyNotFoundException(MessageFactory.get("error.resolver.unhandled.null", this.image));
}
return result;
}
示例8: setValue
import javax.el.VariableMapper; //導入方法依賴的package包/類
@Override
public void setValue(EvaluationContext ctx, Object value) throws ELException {
VariableMapper varMapper = ctx.getVariableMapper();
if (varMapper != null) {
ValueExpression expr = varMapper.resolveVariable(this.image);
if (expr != null) {
expr.setValue(ctx.getELContext(), value);
return;
}
}
ctx.setPropertyResolved(false);
ctx.getELResolver().setValue(ctx, null, this.image, value);
if (!ctx.isPropertyResolved()) {
throw new PropertyNotFoundException(MessageFactory.get("error.resolver.unhandled.null", this.image));
}
}
示例9: getValue
import javax.el.VariableMapper; //導入方法依賴的package包/類
@Override
public Object getValue(EvaluationContext ctx) throws ELException {
VariableMapper varMapper = ctx.getVariableMapper();
if (varMapper != null) {
ValueExpression expr = varMapper.resolveVariable(this.image);
if (expr != null) {
return expr.getValue(ctx.getELContext());
}
}
ctx.setPropertyResolved(false);
Object result = ctx.getELResolver().getValue(ctx, null, this.image);
if (!ctx.isPropertyResolved()) {
throw new PropertyNotFoundException(MessageFactory.get("error.resolver.unhandled.null", this.image));
}
return result;
}
示例10: getValueReference
import javax.el.VariableMapper; //導入方法依賴的package包/類
@Override
public ValueReference getValueReference(EvaluationContext ctx) {
VariableMapper varMapper = ctx.getVariableMapper();
if (varMapper == null) {
return null;
}
ValueExpression expr = varMapper.resolveVariable(this.image);
if (expr == null) {
return null;
}
return expr.getValueReference(ctx);
}
示例11: getMethodExpression
import javax.el.VariableMapper; //導入方法依賴的package包/類
private final MethodExpression getMethodExpression(EvaluationContext ctx)
throws ELException {
Object obj = null;
// case A: ValueExpression exists, getValue which must
// be a MethodExpression
VariableMapper varMapper = ctx.getVariableMapper();
ValueExpression ve = null;
if (varMapper != null) {
ve = varMapper.resolveVariable(this.image);
if (ve != null) {
obj = ve.getValue(ctx);
}
}
// case B: evaluate the identity against the ELResolver, again, must be
// a MethodExpression to be able to invoke
if (ve == null) {
ctx.setPropertyResolved(false);
obj = ctx.getELResolver().getValue(ctx, null, this.image);
}
// finally provide helpful hints
if (obj instanceof MethodExpression) {
return (MethodExpression) obj;
} else if (obj == null) {
throw new MethodNotFoundException("Identity '" + this.image
+ "' was null and was unable to invoke");
} else {
throw new ELException(
"Identity '"
+ this.image
+ "' does not reference a MethodExpression instance, returned type: "
+ obj.getClass().getName());
}
}
示例12: getType
import javax.el.VariableMapper; //導入方法依賴的package包/類
public Class getType(EvaluationContext ctx) throws ELException {
VariableMapper varMapper = ctx.getVariableMapper();
if (varMapper != null) {
ValueExpression expr = varMapper.resolveVariable(this.image);
if (expr != null) {
return expr.getType(ctx.getELContext());
}
}
ctx.setPropertyResolved(false);
return ctx.getELResolver().getType(ctx, null, this.image);
}
示例13: getValue
import javax.el.VariableMapper; //導入方法依賴的package包/類
public Object getValue(EvaluationContext ctx) throws ELException {
VariableMapper varMapper = ctx.getVariableMapper();
if (varMapper != null) {
ValueExpression expr = varMapper.resolveVariable(this.image);
if (expr != null) {
return expr.getValue(ctx.getELContext());
}
}
ctx.setPropertyResolved(false);
return ctx.getELResolver().getValue(ctx, null, this.image);
}
示例14: isReadOnly
import javax.el.VariableMapper; //導入方法依賴的package包/類
public boolean isReadOnly(EvaluationContext ctx) throws ELException {
VariableMapper varMapper = ctx.getVariableMapper();
if (varMapper != null) {
ValueExpression expr = varMapper.resolveVariable(this.image);
if (expr != null) {
return expr.isReadOnly(ctx.getELContext());
}
}
ctx.setPropertyResolved(false);
return ctx.getELResolver().isReadOnly(ctx, null, this.image);
}
示例15: setValue
import javax.el.VariableMapper; //導入方法依賴的package包/類
public void setValue(EvaluationContext ctx, Object value)
throws ELException {
VariableMapper varMapper = ctx.getVariableMapper();
if (varMapper != null) {
ValueExpression expr = varMapper.resolveVariable(this.image);
if (expr != null) {
expr.setValue(ctx.getELContext(), value);
return;
}
}
ctx.setPropertyResolved(false);
ctx.getELResolver().setValue(ctx, null, this.image, value);
}