Examples with JspException javax.servlet.jsp.JspException used on opensource projects

Example 6 with JspException

use of javax.servlet.jsp.JspException in project sonarqube by SonarSource.

the class OptionsTag method doEndTag.

/**
     * Process the end of this tag.
     *
     * @throws JspException if a JSP exception has occurred
     */
public int doEndTag() throws JspException {
    // Acquire the select tag we are associated with
    SelectTag selectTag = (SelectTag) pageContext.getAttribute(Constants.SELECT_KEY);
    if (selectTag == null) {
        throw new JspException(messages.getMessage("optionsTag.select"));
    }
    StringBuffer sb = new StringBuffer();
    // If a collection was specified, use that mode to render options
    if (collection != null) {
        Iterator collIterator = getIterator(collection, null);
        while (collIterator.hasNext()) {
            Object bean = collIterator.next();
            Object value = null;
            Object label = null;
            try {
                value = PropertyUtils.getProperty(bean, property);
                if (value == null) {
                    value = "";
                }
            } catch (IllegalAccessException e) {
                throw new JspException(messages.getMessage("getter.access", property, collection));
            } catch (InvocationTargetException e) {
                Throwable t = e.getTargetException();
                throw new JspException(messages.getMessage("getter.result", property, t.toString()));
            } catch (NoSuchMethodException e) {
                throw new JspException(messages.getMessage("getter.method", property, collection));
            }
            try {
                if (labelProperty != null) {
                    label = PropertyUtils.getProperty(bean, labelProperty);
                } else {
                    label = value;
                }
                if (label == null) {
                    label = "";
                }
            } catch (IllegalAccessException e) {
                throw new JspException(messages.getMessage("getter.access", labelProperty, collection));
            } catch (InvocationTargetException e) {
                Throwable t = e.getTargetException();
                throw new JspException(messages.getMessage("getter.result", labelProperty, t.toString()));
            } catch (NoSuchMethodException e) {
                throw new JspException(messages.getMessage("getter.method", labelProperty, collection));
            }
            String stringValue = value.toString();
            addOption(sb, stringValue, label.toString(), selectTag.isMatched(stringValue));
        }
    } else // Otherwise, use the separate iterators mode to render options
    {
        // Construct iterators for the values and labels collections
        Iterator valuesIterator = getIterator(name, property);
        Iterator labelsIterator = null;
        if ((labelName != null) || (labelProperty != null)) {
            labelsIterator = getIterator(labelName, labelProperty);
        }
        // Render the options tags for each element of the values coll.
        while (valuesIterator.hasNext()) {
            Object valueObject = valuesIterator.next();
            if (valueObject == null) {
                valueObject = "";
            }
            String value = valueObject.toString();
            String label = value;
            if ((labelsIterator != null) && labelsIterator.hasNext()) {
                Object labelObject = labelsIterator.next();
                if (labelObject == null) {
                    labelObject = "";
                }
                label = labelObject.toString();
            }
            addOption(sb, value, label, selectTag.isMatched(value));
        }
    }
    TagUtils.getInstance().write(pageContext, sb.toString());
    return EVAL_PAGE;
}

Example 7 with JspException

use of javax.servlet.jsp.JspException in project sonarqube by SonarSource.

the class OptionsTag method getIterator.

/**
     * Return an iterator for the option labels or values, based on our
     * configured properties.
     *
     * @param name     Name of the bean attribute (if any)
     * @param property Name of the bean property (if any)
     * @throws JspException if an error occurs
     */
protected Iterator getIterator(String name, String property) throws JspException {
    // Identify the bean containing our collection
    String beanName = name;
    if (beanName == null) {
        beanName = Constants.BEAN_KEY;
    }
    Object bean = TagUtils.getInstance().lookup(pageContext, beanName, null);
    if (bean == null) {
        throw new JspException(messages.getMessage("getter.bean", beanName));
    }
    // Identify the collection itself
    Object collection = bean;
    if (property != null) {
        try {
            collection = PropertyUtils.getProperty(bean, property);
            if (collection == null) {
                throw new JspException(messages.getMessage("getter.property", property));
            }
        } catch (IllegalAccessException e) {
            throw new JspException(messages.getMessage("getter.access", property, name));
        } catch (InvocationTargetException e) {
            Throwable t = e.getTargetException();
            throw new JspException(messages.getMessage("getter.result", property, t.toString()));
        } catch (NoSuchMethodException e) {
            throw new JspException(messages.getMessage("getter.method", property, name));
        }
    }
    // Construct and return an appropriate iterator
    if (collection.getClass().isArray()) {
        collection = Arrays.asList((Object[]) collection);
    }
    if (collection instanceof Collection) {
        return (((Collection) collection).iterator());
    } else if (collection instanceof Iterator) {
        return ((Iterator) collection);
    } else if (collection instanceof Map) {
        return (((Map) collection).entrySet().iterator());
    } else if (collection instanceof Enumeration) {
        return new IteratorAdapter((Enumeration) collection);
    } else {
        throw new JspException(messages.getMessage("optionsTag.iterator", collection.toString()));
    }
}

Example 8 with JspException

use of javax.servlet.jsp.JspException in project sonarqube by SonarSource.

the class SelectTag method calculateMatchValues.

/**
     * Calculate the match values we will actually be using.
     *
     * @throws JspException
     */
private void calculateMatchValues() throws JspException {
    if (this.value != null) {
        this.match = new String[1];
        this.match[0] = this.value;
    } else {
        Object bean = TagUtils.getInstance().lookup(pageContext, name, null);
        if (bean == null) {
            JspException e = new JspException(messages.getMessage("getter.bean", name));
            TagUtils.getInstance().saveException(pageContext, e);
            throw e;
        }
        try {
            this.match = BeanUtils.getArrayProperty(bean, property);
            if (this.match == null) {
                this.match = new String[0];
            }
        } catch (IllegalAccessException e) {
            TagUtils.getInstance().saveException(pageContext, e);
            throw new JspException(messages.getMessage("getter.access", property, name));
        } catch (InvocationTargetException e) {
            Throwable t = e.getTargetException();
            TagUtils.getInstance().saveException(pageContext, t);
            throw new JspException(messages.getMessage("getter.result", property, t.toString()));
        } catch (NoSuchMethodException e) {
            TagUtils.getInstance().saveException(pageContext, e);
            throw new JspException(messages.getMessage("getter.method", property, name));
        }
    }
}

Example 9 with JspException

use of javax.servlet.jsp.JspException in project sonarqube by SonarSource.

the class CompareTagBase method condition.

/**
     * Evaluate the condition that is being tested by this particular tag, and
     * return <code>true</code> if the nested body content of this tag should
     * be evaluated, or <code>false</code> if it should be skipped. This
     * method must be implemented by concrete subclasses.
     *
     * @param desired1 First desired value for a true result (-1, 0, +1)
     * @param desired2 Second desired value for a true result (-1, 0, +1)
     * @throws JspException if a JSP exception occurs
     */
protected boolean condition(int desired1, int desired2) throws JspException {
    // Acquire the value and determine the test type
    int type = -1;
    double doubleValue = 0.0;
    long longValue = 0;
    if ((type < 0) && (value.length() > 0)) {
        try {
            doubleValue = Double.parseDouble(value);
            type = DOUBLE_COMPARE;
        } catch (NumberFormatException e) {
            ;
        }
    }
    if ((type < 0) && (value.length() > 0)) {
        try {
            longValue = Long.parseLong(value);
            type = LONG_COMPARE;
        } catch (NumberFormatException e) {
            ;
        }
    }
    if (type < 0) {
        type = STRING_COMPARE;
    }
    // Acquire the unconverted variable value
    Object variable = null;
    if (cookie != null) {
        Cookie[] cookies = ((HttpServletRequest) pageContext.getRequest()).getCookies();
        if (cookies == null) {
            cookies = new Cookie[0];
        }
        for (int i = 0; i < cookies.length; i++) {
            if (cookie.equals(cookies[i].getName())) {
                variable = cookies[i].getValue();
                break;
            }
        }
    } else if (header != null) {
        variable = ((HttpServletRequest) pageContext.getRequest()).getHeader(header);
    } else if (name != null) {
        Object bean = TagUtils.getInstance().lookup(pageContext, name, scope);
        if (property != null) {
            if (bean == null) {
                JspException e = new JspException(messages.getMessage("logic.bean", name));
                TagUtils.getInstance().saveException(pageContext, e);
                throw e;
            }
            try {
                variable = PropertyUtils.getProperty(bean, property);
            } catch (InvocationTargetException e) {
                Throwable t = e.getTargetException();
                if (t == null) {
                    t = e;
                }
                TagUtils.getInstance().saveException(pageContext, t);
                throw new JspException(messages.getMessage("logic.property", name, property, t.toString()));
            } catch (Throwable t) {
                TagUtils.getInstance().saveException(pageContext, t);
                throw new JspException(messages.getMessage("logic.property", name, property, t.toString()));
            }
        } else {
            variable = bean;
        }
    } else if (parameter != null) {
        variable = pageContext.getRequest().getParameter(parameter);
    } else {
        JspException e = new JspException(messages.getMessage("logic.selector"));
        TagUtils.getInstance().saveException(pageContext, e);
        throw e;
    }
    if (variable == null) {
        // Coerce null to a zero-length String
        variable = "";
    }
    // Perform the appropriate comparison
    int result = 0;
    if (type == DOUBLE_COMPARE) {
        try {
            double doubleVariable = Double.parseDouble(variable.toString());
            if (doubleVariable < doubleValue) {
                result = -1;
            } else if (doubleVariable > doubleValue) {
                result = +1;
            }
        } catch (NumberFormatException e) {
            result = variable.toString().compareTo(value);
        }
    } else if (type == LONG_COMPARE) {
        try {
            long longVariable = Long.parseLong(variable.toString());
            if (longVariable < longValue) {
                result = -1;
            } else if (longVariable > longValue) {
                result = +1;
            }
        } catch (NumberFormatException e) {
            result = variable.toString().compareTo(value);
        }
    } else {
        result = variable.toString().compareTo(value);
    }
    // Normalize the result
    if (result < 0) {
        result = -1;
    } else if (result > 0) {
        result = +1;
    }
    // Return true if the result matches either desired value
    return ((result == desired1) || (result == desired2));
}

Example 10 with JspException

use of javax.servlet.jsp.JspException in project sonarqube by SonarSource.

the class EmptyTag method condition.

/**
     * Evaluate the condition that is being tested by this particular tag, and
     * return <code>true</code> if the nested body content of this tag should
     * be evaluated, or <code>false</code> if it should be skipped. This
     * method must be implemented by concrete subclasses.
     *
     * @param desired Desired outcome for a true result
     * @throws JspException if a JSP exception occurs
     */
protected boolean condition(boolean desired) throws JspException {
    if (this.name == null) {
        JspException e = new JspException(messages.getMessage("empty.noNameAttribute"));
        TagUtils.getInstance().saveException(pageContext, e);
        throw e;
    }
    Object value = null;
    if (this.property == null) {
        value = TagUtils.getInstance().lookup(pageContext, name, scope);
    } else {
        value = TagUtils.getInstance().lookup(pageContext, name, property, scope);
    }
    boolean empty = true;
    if (value == null) {
        empty = true;
    } else if (value instanceof String) {
        String strValue = (String) value;
        empty = (strValue.length() < 1);
    } else if (value instanceof Collection) {
        Collection collValue = (Collection) value;
        empty = collValue.isEmpty();
    } else if (value instanceof Map) {
        Map mapValue = (Map) value;
        empty = mapValue.isEmpty();
    } else if (value.getClass().isArray()) {
        empty = Array.getLength(value) == 0;
    } else {
        empty = false;
    }
    return (empty == desired);
}