Example usage for javax.servlet.jsp JspException JspException

Introduction

In this page you can find the example usage for javax.servlet.jsp JspException JspException.

Prototype

public JspException(Throwable cause) 

Source Link

Document

Constructs a new JspException with the specified cause.

Usage

From source file:org.apache.struts.taglib.html.BaseHandlerTag.java

/**
 * Searches all scopes for the bean and calls BeanUtils.getProperty() with
 * the given arguments and converts any exceptions into JspException.
 *
 * @param beanName The name of the object to get the property from.
 * @param property The name of the property to get.
 * @return The value of the property./*from   w  w  w .  j  a va 2  s  .co  m*/
 * @throws JspException
 * @since Struts 1.1
 */
protected String lookupProperty(String beanName, String property) throws JspException {
    Object bean = TagUtils.getInstance().lookup(this.pageContext, beanName, null);

    if (bean == null) {
        throw new JspException(messages.getMessage("getter.bean", beanName));
    }

    try {
        return BeanUtils.getProperty(bean, property);
    } catch (IllegalAccessException e) {
        throw new JspException(messages.getMessage("getter.access", property, beanName));
    } 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, beanName));
    }
}

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From source file:org.apache.struts.taglib.html.JavascriptValidatorTag.java

/**
 * Render the JavaScript for to perform validations based on the form
 * name.//from   w ww .  j av a2 s.c  o  m
 *
 * @throws JspException if a JSP exception has occurred
 */
public int doStartTag() throws JspException {
    JspWriter writer = pageContext.getOut();

    try {
        writer.print(this.renderJavascript());
    } catch (IOException e) {
        throw new JspException(e.getMessage());
    }

    return EVAL_BODY_TAG;
}

---

From source file:org.apache.struts.taglib.html.JavascriptValidatorTag.java

/**
 * Returns fully rendered JavaScript.//from   w  w  w.  ja v a  2  s  .c  o m
 *
 * @since Struts 1.2
 */
protected String renderJavascript() throws JspException {
    StringBuffer results = new StringBuffer();

    ModuleConfig config = TagUtils.getInstance().getModuleConfig(pageContext);
    ValidatorResources resources = (ValidatorResources) pageContext
            .getAttribute(ValidatorPlugIn.VALIDATOR_KEY + config.getPrefix(), PageContext.APPLICATION_SCOPE);

    if (resources == null) {
        throw new JspException("ValidatorResources not found in application scope under key \""
                + ValidatorPlugIn.VALIDATOR_KEY + config.getPrefix() + "\"");
    }

    Locale locale = TagUtils.getInstance().getUserLocale(this.pageContext, null);

    Form form = null;
    if ("true".equalsIgnoreCase(dynamicJavascript)) {
        form = resources.getForm(locale, formName);
        if (form == null) {
            throw new JspException("No form found under '" + formName + "' in locale '" + locale
                    + "'.  A form must be defined in the " + "Commons Validator configuration when "
                    + "dynamicJavascript=\"true\" is set.");
        }
    }

    if (form != null) {
        if ("true".equalsIgnoreCase(dynamicJavascript)) {
            results.append(this.createDynamicJavascript(config, resources, locale, form));
        } else if ("true".equalsIgnoreCase(staticJavascript)) {
            results.append(this.renderStartElement());

            if ("true".equalsIgnoreCase(htmlComment)) {
                results.append(HTML_BEGIN_COMMENT);
            }
        }
    }

    if ("true".equalsIgnoreCase(staticJavascript)) {
        results.append(getJavascriptStaticMethods(resources));
    }

    if ((form != null)
            && ("true".equalsIgnoreCase(dynamicJavascript) || "true".equalsIgnoreCase(staticJavascript))) {
        results.append(getJavascriptEnd());
    }

    return results.toString();
}

---

From source file:org.apache.struts.taglib.html.JavascriptValidatorTag.java

/**
 * Generates the dynamic JavaScript for the form.
 *
 * @param config/*w w w .  j  a v  a  2s. co  m*/
 * @param resources
 * @param locale
 * @param form
 */
private String createDynamicJavascript(ModuleConfig config, ValidatorResources resources, Locale locale,
        Form form) throws JspException {
    StringBuffer results = new StringBuffer();

    MessageResources messages = TagUtils.getInstance().retrieveMessageResources(pageContext, bundle, true);

    HttpServletRequest request = (HttpServletRequest) pageContext.getRequest();
    ServletContext application = pageContext.getServletContext();

    List actions = this.createActionList(resources, form);

    final String methods = this.createMethods(actions, this.stopOnError(config));

    String formName = form.getName();

    jsFormName = formName;

    if (jsFormName.charAt(0) == '/') {
        String mappingName = TagUtils.getInstance().getActionMappingName(jsFormName);
        ActionMapping mapping = (ActionMapping) config.findActionConfig(mappingName);

        if (mapping == null) {
            JspException e = new JspException(messages.getMessage("formTag.mapping", mappingName));

            pageContext.setAttribute(Globals.EXCEPTION_KEY, e, PageContext.REQUEST_SCOPE);
            throw e;
        }

        jsFormName = mapping.getAttribute();
    }

    results.append(this.getJavascriptBegin(methods));

    for (Iterator i = actions.iterator(); i.hasNext();) {
        ValidatorAction va = (ValidatorAction) i.next();
        int jscriptVar = 0;
        String functionName = null;

        if ((va.getJsFunctionName() != null) && (va.getJsFunctionName().length() > 0)) {
            functionName = va.getJsFunctionName();
        } else {
            functionName = va.getName();
        }

        results.append("    function " + jsFormName + "_" + functionName + " () { \n");

        for (Iterator x = form.getFields().iterator(); x.hasNext();) {
            Field field = (Field) x.next();

            // Skip indexed fields for now until there is a good way to
            // handle error messages (and the length of the list (could
            // retrieve from scope?))
            if (field.isIndexed() || (field.getPage() != page) || !field.isDependency(va.getName())) {
                continue;
            }

            String message = Resources.getMessage(application, request, messages, locale, va, field);

            message = (message != null) ? message : "";

            // prefix variable with 'a' to make it a legal identifier
            results.append("     this.a" + jscriptVar++ + " = new Array(\"" + field.getKey() + "\", \""
                    + escapeQuotes(message) + "\", ");

            results.append("new Function (\"varName\", \"");

            Map vars = field.getVars();

            // Loop through the field's variables.
            Iterator varsIterator = vars.keySet().iterator();

            while (varsIterator.hasNext()) {
                String varName = (String) varsIterator.next();
                Var var = (Var) vars.get(varName);
                String varValue = Resources.getVarValue(var, application, request, false);
                String jsType = var.getJsType();

                // skip requiredif variables field, fieldIndexed, fieldTest,
                // fieldValue
                if (varName.startsWith("field")) {
                    continue;
                }

                String varValueEscaped = escapeJavascript(varValue);

                if (Var.JSTYPE_INT.equalsIgnoreCase(jsType)) {
                    results.append("this." + varName + "=" + varValueEscaped + "; ");
                } else if (Var.JSTYPE_REGEXP.equalsIgnoreCase(jsType)) {
                    results.append("this." + varName + "=/" + varValueEscaped + "/; ");
                } else if (Var.JSTYPE_STRING.equalsIgnoreCase(jsType)) {
                    results.append("this." + varName + "='" + varValueEscaped + "'; ");

                    // So everyone using the latest format doesn't need to
                    // change their xml files immediately.
                } else if ("mask".equalsIgnoreCase(varName)) {
                    results.append("this." + varName + "=/" + varValueEscaped + "/; ");
                } else {
                    results.append("this." + varName + "='" + varValueEscaped + "'; ");
                }
            }

            results.append(" return this[varName];\"));\n");
        }

        results.append("    } \n\n");
    }

    return results.toString();
}

---

From source file:org.apache.struts.taglib.html.MultiboxTag.java

/**
 * Render the value element/*from  ww w .ja v  a 2 s.co  m*/
 *
 * @param results The StringBuffer that output will be appended to.
 */
protected String prepareValue(StringBuffer results) throws JspException {
    String value = (this.value == null) ? this.constant : this.value;

    if (value == null) {
        JspException e = new JspException(messages.getMessage("multiboxTag.value"));

        pageContext.setAttribute(Globals.EXCEPTION_KEY, e, PageContext.REQUEST_SCOPE);
        throw e;
    }

    prepareAttribute(results, "value", TagUtils.getInstance().filter(value));

    return value;
}

---

From source file:org.apache.struts.taglib.html.MultiboxTag.java

/**
 * Render the checked element/* w  ww. ja v  a  2 s  .com*/
 *
 * @param results The StringBuffer that output will be appended to.
 */
protected void prepareChecked(StringBuffer results, String value) throws JspException {
    Object bean = TagUtils.getInstance().lookup(pageContext, name, null);
    String[] values = null;

    if (bean == null) {
        throw new JspException(messages.getMessage("getter.bean", name));
    }

    try {
        values = BeanUtils.getArrayProperty(bean, property);

        if (values == null) {
            values = new String[0];
        }
    } 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));
    }

    for (int i = 0; i < values.length; i++) {
        if (value.equals(values[i])) {
            results.append(" checked=\"checked\"");

            break;
        }
    }
}

---

From source file:org.apache.struts.taglib.html.OptionsCollectionTag.java

/**
 * Process the start of this tag./*w  w  w  .j a va2 s.  c o m*/
 *
 * @throws JspException if a JSP exception has occurred
 */
public int doStartTag() throws JspException {
    // Acquire the select tag we are associated with
    SelectTag selectTag = (SelectTag) pageContext.getAttribute(Constants.SELECT_KEY);

    if (selectTag == null) {
        JspException e = new JspException(messages.getMessage("optionsCollectionTag.select"));

        TagUtils.getInstance().saveException(pageContext, e);
        throw e;
    }

    // Acquire the collection containing our options
    Object collection = TagUtils.getInstance().lookup(pageContext, name, property, null);

    if (collection == null) {
        JspException e = new JspException(messages.getMessage("optionsCollectionTag.collection"));

        TagUtils.getInstance().saveException(pageContext, e);
        throw e;
    }

    // Acquire an iterator over the options collection
    Iterator iter = getIterator(collection);

    StringBuffer sb = new StringBuffer();

    // Render the options
    while (iter.hasNext()) {
        Object bean = iter.next();
        Object beanLabel = null;
        Object beanValue = null;

        // Get the label for this option
        try {
            beanLabel = PropertyUtils.getProperty(bean, label);

            if (beanLabel == null) {
                beanLabel = "";
            }
        } catch (IllegalAccessException e) {
            JspException jspe = new JspException(messages.getMessage("getter.access", label, bean));

            TagUtils.getInstance().saveException(pageContext, jspe);
            throw jspe;
        } catch (InvocationTargetException e) {
            Throwable t = e.getTargetException();
            JspException jspe = new JspException(messages.getMessage("getter.result", label, t.toString()));

            TagUtils.getInstance().saveException(pageContext, jspe);
            throw jspe;
        } catch (NoSuchMethodException e) {
            JspException jspe = new JspException(messages.getMessage("getter.method", label, bean));

            TagUtils.getInstance().saveException(pageContext, jspe);
            throw jspe;
        }

        // Get the value for this option
        try {
            beanValue = PropertyUtils.getProperty(bean, value);

            if (beanValue == null) {
                beanValue = "";
            }
        } catch (IllegalAccessException e) {
            JspException jspe = new JspException(messages.getMessage("getter.access", value, bean));

            TagUtils.getInstance().saveException(pageContext, jspe);
            throw jspe;
        } catch (InvocationTargetException e) {
            Throwable t = e.getTargetException();
            JspException jspe = new JspException(messages.getMessage("getter.result", value, t.toString()));

            TagUtils.getInstance().saveException(pageContext, jspe);
            throw jspe;
        } catch (NoSuchMethodException e) {
            JspException jspe = new JspException(messages.getMessage("getter.method", value, bean));

            TagUtils.getInstance().saveException(pageContext, jspe);
            throw jspe;
        }

        String stringLabel = beanLabel.toString();
        String stringValue = beanValue.toString();

        // Render this option
        addOption(sb, stringLabel, stringValue, selectTag.isMatched(stringValue));
    }

    TagUtils.getInstance().write(pageContext, sb.toString());

    return SKIP_BODY;
}

---

From source file:org.apache.struts.taglib.html.OptionsCollectionTag.java

/**
 * Return an iterator for the options collection.
 *
 * @param collection Collection to be iterated over
 * @throws JspException if an error occurs
 *//*from  ww w.  jav a2 s.c om*/
protected Iterator getIterator(Object collection) throws JspException {
    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("optionsCollectionTag.iterator", collection.toString()));
    }
}

---

From source file:org.apache.struts.taglib.html.OptionsTag.java

/**
 * Process the end of this tag./* w ww  .j av  a2s .c o  m*/
 *
 * @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));
        }
    }
    // Otherwise, use the separate iterators mode to render options
    else {
        // 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;
}

---

From source file:org.apache.struts.taglib.html.OptionsTag.java

/**
 * Return an iterator for the option labels or values, based on our
 * configured properties.//from   w  w w. j  a  v  a  2s.  c  om
 *
 * @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()));
    }
}

---

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