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BooleanValueTag.javaAPI DocExample2756Thu Jun 28 16:14:16 BST 2001com.ora.jsp.tags.sql.value

BooleanValueTag

public class BooleanValueTag extends ValueTag
This class is a custom action intended to be used in the body of a sqlQuery or an sqlUpdate action element. It adds the specified value to its parent's value list.
author
Hans Bergsten, Gefion software
version
1.0.1

Fields Summary
private boolean
value
Constructors Summary
Methods Summary
public intdoEndTag()
Gets the value, specified by the value attribute, the stringValue attribute, the param attribute, or the name and property attributes, and adds it to the parent's value list.

        if (stringValue != null) {
            value = toBoolean(stringValue);
        }
        else if (param != null) {
            String paramValue = getParameter(param);
            value = toBoolean(paramValue);
        }
        else if (name != null) {
            value = getBoolean(name, property);
        }
        ValueTagParent parent = 
            (ValueTagParent) findAncestorWithClass(this, ValueTagParent.class);
        if (parent == null) {
            throw new JspException("The sqlBooleanValue action is not " +
                "enclosed by a supported action type");
        }
        parent.addValue(new BooleanValue(value));
        return EVAL_PAGE;
private booleangetBoolean(java.lang.String beanName, java.lang.String propertyName)

        boolean booleanValue;
        Object bean = getBean(beanName);
        Method readMethod = getPropertyReadMethod(bean, propertyName);
        Class returnType = readMethod.getReturnType();
        Object value = getValue(bean, readMethod, propertyName);
        
        if (Boolean.TYPE.isAssignableFrom(returnType)) {
            booleanValue = ((Boolean) value).booleanValue();
        }
        else if (String.class.isAssignableFrom(returnType)) {
            booleanValue = toBoolean((String) value);
        }
        else {
            throw new JspException("Read method for the " + propertyName +
                " property in the bean named " + beanName + " is not of type " +
                " String or boolean");
        }
        return booleanValue;
public voidsetValue(boolean value)
Sets the value property.

        this.value = value;
private booleantoBoolean(java.lang.String stringValue)

        return new Boolean(stringValue).booleanValue();