org.opencms.jsp.CmsJspActionElement Maven / Gradle / Ivy
/*
* This library is part of OpenCms -
* the Open Source Content Management System
*
* Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* For further information about Alkacon Software GmbH & Co. KG, please see the
* company website: http://www.alkacon.com
*
* For further information about OpenCms, please see the
* project website: http://www.opencms.org
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.opencms.jsp;
import org.opencms.file.CmsFile;
import org.opencms.flex.CmsFlexController;
import org.opencms.i18n.CmsMessageContainer;
import org.opencms.i18n.CmsMessages;
import org.opencms.loader.CmsImageScaler;
import org.opencms.loader.I_CmsResourceLoader;
import org.opencms.main.CmsException;
import org.opencms.main.OpenCms;
import org.opencms.security.CmsSecurityException;
import org.opencms.staticexport.CmsLinkManager;
import org.opencms.util.CmsRequestUtil;
import org.opencms.util.CmsStringUtil;
import org.opencms.workplace.editors.directedit.CmsDirectEditJspIncludeProvider;
import org.opencms.workplace.editors.directedit.CmsDirectEditMode;
import org.opencms.workplace.editors.directedit.I_CmsDirectEditProvider;
import java.io.UnsupportedEncodingException;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Locale;
import java.util.Map;
import java.util.Map.Entry;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.PageContext;
/**
* Bean to be used in JSP scriptlet code that provides direct
* access to the functionality offered by the OpenCms taglib.
*
* By instantiating a bean of this type and accessing the methods provided by
* the instance, all functionality of the OpenCms JSP taglib can be easily
* used from within JSP scriptlet code.
*
* Initialize this bean at the beginning of your JSP like this:
*
* <jsp:useBean id="cms" class="org.opencms.jsp.CmsJspActionElement">
* <% cms.init(pageContext, request, response); %>
* </jsp:useBean>
*
*
* You can also access the current users {@link org.opencms.file.CmsObject}
* by using {@link org.opencms.jsp.CmsJspBean#getCmsObject()}.
*
* All exceptions that occur when calling any method of this class are caught
* and written to the log output only, so that a template still has a chance of
* working at least in some elements.
*
* @since 6.0.0
*/
public class CmsJspActionElement extends CmsJspBean {
/** Error message in case bean was not properly initialized. */
// cannot use a string: At class-loading time the
// user request context for localization is not at hand.
public static final CmsMessageContainer NOT_INITIALIZED = Messages.get().container(
Messages.GUI_ERR_ACTIONELEM_NOT_INIT_0);
/** JSP navigation builder. */
private CmsJspNavBuilder m_vfsNav;
/**
* Empty constructor, required for every JavaBean.
*/
public CmsJspActionElement() {
super();
}
/**
* Constructor, with parameters.
*
* @param context the JSP page context object
* @param req the JSP request
* @param res the JSP response
*/
public CmsJspActionElement(PageContext context, HttpServletRequest req, HttpServletResponse res) {
super();
init(context, req, res);
}
/**
* Includes the direct edit scriptlet, same as
* using the <cms:editable /> tag.
*
* The configured default direct edit provider is used.
*
* @param isEditable include scriptlet only if true
*
* @throws JspException if something goes wrong
*/
public void editable(boolean isEditable) throws JspException {
if (isEditable) {
CmsJspTagEditable.editableTagAction(getJspContext(), null, CmsDirectEditMode.AUTO, null);
}
}
/**
* Includes the direct edit scriptlet, same as
* using the <cms:editable file="..." />tag.
*
* For backward compatibility, this always uses the JSP include based direct edit provider
.
*
* @param isEditable include scriptlet only if true
* @param filename file with scriptlet code
*
* @throws JspException if something goes wrong
*/
public void editable(boolean isEditable, String filename) throws JspException {
if (isEditable) {
CmsJspTagEditable.editableTagAction(
getJspContext(),
CmsDirectEditJspIncludeProvider.class.getName(),
CmsDirectEditMode.AUTO,
filename);
}
}
/**
* Includes the direct edit scriptlet, same as
* using the <cms:editable provider="..." mode="..." file="..." />tag.
*
* @param provider the direct edit provider class name
* @param mode the direct edit mode to use
* @param filename file with scriptlet code (may be null)
*
* @throws JspException if something goes wrong
*/
public void editable(String provider, String mode, String filename) throws JspException {
CmsJspTagEditable.editableTagAction(getJspContext(), provider, CmsDirectEditMode.valueOf(mode), filename);
}
/**
* Insert the end HTML for the direct edit buttons in manual mode (if required).
*
* Same as closing the </cms:editable tag after opening one in manual mode.
*
* @param needsClose result of {@link #editableManualOpen()} should be the value for this parameter
*
* @throws JspException if something goes wrong
*/
public void editableManualClose(boolean needsClose) throws JspException {
if (needsClose) {
CmsJspTagEditable.editableTagAction(getJspContext(), null, CmsDirectEditMode.MANUAL, null);
}
}
/**
* Insert the start HTML for the direct edit buttons in manual mode.
*
* Same as opening the <cms:editable mode="manual"> tag.
*
* @return true if HTML was inserted that needs to be closed
*
* @throws JspException if something goes wrong
*/
public boolean editableManualOpen() throws JspException {
boolean result = false;
if (!CmsFlexController.isCmsOnlineRequest(getJspContext().getRequest())) {
// all this does NOT apply to the "online" project
I_CmsDirectEditProvider eb = CmsJspTagEditable.getDirectEditProvider(getJspContext());
if ((eb != null)) {
// check if the provider support manual placement of buttons
if (eb.isManual(CmsDirectEditMode.MANUAL)) {
// the provider supports manual placement of buttons
result = true;
CmsJspTagEditable.editableTagAction(getJspContext(), null, CmsDirectEditMode.MANUAL, null);
}
}
}
return result;
}
/**
* Returns the processed output of an OpenCms resource in a String.
*
* @param target the target to process
* @return the processed output of an OpenCms resource in a String
*/
public String getContent(String target) {
return getContent(target, null, null);
}
/**
* Returns the processed output of an element within an OpenCms resource.
*
* @param target the target to process
* @param element name of the element
* @param locale locale of the element
* @return the processed output
*/
public String getContent(String target, String element, Locale locale) {
I_CmsResourceLoader loader;
CmsFile file;
target = toAbsolute(target);
try {
file = getCmsObject().readFile(target);
loader = OpenCms.getResourceManager().getLoader(file);
} catch (ClassCastException e) {
// no loader implementation found
return CmsMessages.formatUnknownKey(e.getMessage());
} catch (CmsException e) {
// file might not exist or no read permissions
return CmsMessages.formatUnknownKey(e.getMessage());
}
try {
byte[] result = loader.dump(getCmsObject(), file, element, locale, getRequest(), getResponse());
return new String(result, getRequestContext().getEncoding());
} catch (UnsupportedEncodingException uee) {
// encoding unsupported
return CmsMessages.formatUnknownKey(uee.getMessage());
} catch (Throwable t) {
// any other exception, check for hidden root cause first
Throwable cause = CmsFlexController.getThrowable(getRequest());
if (cause == null) {
cause = t;
}
handleException(cause);
return CmsMessages.formatUnknownKey(cause.getMessage());
}
}
/**
* Generates an initialized instance of {@link CmsMessages} for
* convenient access to localized resource bundles.
*
* @param bundleName the name of the ResourceBundle to use
* @param locale the locale to use for localization
*
* @return CmsMessages a message bundle initialized with the provided values
*/
public CmsMessages getMessages(String bundleName, Locale locale) {
return new CmsMessages(bundleName, locale);
}
/**
* Generates an initialized instance of {@link CmsMessages} for
* convenient access to localized resource bundles.
*
* @param bundleName the name of the ResourceBundle to use
* @param language language identifier for the locale of the bundle
* @return CmsMessages a message bundle initialized with the provided values
*/
public CmsMessages getMessages(String bundleName, String language) {
return getMessages(bundleName, language, "", "", null);
}
/**
* Generates an initialized instance of {@link CmsMessages} for
* convenient access to localized resource bundles.
*
* @param bundleName the name of the ResourceBundle to use
* @param language language identifier for the locale of the bundle
* @param defaultLanguage default for the language, will be used
* if language is null or empty String "", and defaultLanguage is not null
* @return CmsMessages a message bundle initialized with the provided values
*/
public CmsMessages getMessages(String bundleName, String language, String defaultLanguage) {
return getMessages(bundleName, language, "", "", defaultLanguage);
}
/**
* Generates an initialized instance of {@link CmsMessages} for
* convenient access to localized resource bundles.
*
* @param bundleName the name of the ResourceBundle to use
* @param language language identifier for the locale of the bundle
* @param country 2 letter country code for the locale of the bundle
* @param variant a vendor or browser-specific variant code
* @param defaultLanguage default for the language, will be used
* if language is null or empty String "", and defaultLanguage is not null
* @return CmsMessages a message bundle initialized with the provided values
*
* @see java.util.ResourceBundle
* @see org.opencms.i18n.CmsMessages
*/
public CmsMessages getMessages(
String bundleName,
String language,
String country,
String variant,
String defaultLanguage) {
try {
if ((defaultLanguage != null) && CmsStringUtil.isEmpty(language)) {
language = defaultLanguage;
}
if (language == null) {
language = "";
}
if (country == null) {
country = "";
}
if (variant == null) {
variant = "";
}
return getMessages(bundleName, new Locale(language, country, variant));
} catch (Throwable t) {
handleException(t);
}
return null;
}
/**
* Returns an initialized {@link CmsJspNavBuilder} instance.
*
* @return an initialized navigation builder instance
*
* @see org.opencms.jsp.CmsJspNavBuilder
*/
public CmsJspNavBuilder getNavigation() {
if (isNotInitialized()) {
return null;
}
if (m_vfsNav == null) {
m_vfsNav = new CmsJspNavBuilder(getCmsObject());
}
return m_vfsNav;
}
/**
* Returns the current uri for the navigation.
*
* @return the current uri for the navigation
*/
public String getNavigationUri() {
return getCmsObject().getRequestContext().getUri();
}
/**
* Returns the HTML for an <img src="..." /> tag that includes the given image scaling parameters.
*
* @param target the target URI of the file in the OpenCms VFS
* @param scaler the image scaler to use for scaling the image
* @param attributes a map of additional HTML attributes that are added to the output
*
* @return the HTML for an <img src> tag that includes the given image scaling parameters
*/
public String img(String target, CmsImageScaler scaler, Map attributes) {
return img(target, scaler, attributes, false);
}
/**
* Returns the HTML for an <img src="..." /> tag that includes the given image scaling parameters.
*
* @param target the target URI of the file in the OpenCms VFS
* @param scaler the image scaler to use for scaling the image
* @param attributes a map of additional HTML attributes that are added to the output
* @param partialTag if true, the opening <img and closing /> is omitted
*
* @return the HTML for an <img src> tag that includes the given image scaling parameters
*/
public String img(String target, CmsImageScaler scaler, Map attributes, boolean partialTag) {
try {
return CmsJspTagImage.imageTagAction(target, scaler, attributes, partialTag, getRequest());
} catch (Throwable t) {
handleException(t);
}
CmsMessageContainer msgContainer = Messages.get().container(
Messages.GUI_ERR_IMG_SCALE_2,
target,
scaler == null ? "null" : scaler.toString());
return getMessage(msgContainer);
}
/**
* Include a sub-element without parameters from the OpenCms VFS, same as
* using the <cms:include file="***" /> tag.
*
* @param target the target URI of the file in the OpenCms VFS (can be relative or absolute)
* @throws JspException in case there were problems including the target
*
* @see org.opencms.jsp.CmsJspTagInclude
*/
public void include(String target) throws JspException {
include(target, null, null);
}
/**
* Include a named sub-element without parameters from the OpenCms VFS, same as
* using the <cms:include file="***" element="***" /> tag.
*
* @param target the target URI of the file in the OpenCms VFS (can be relative or absolute)
* @param element the element (template selector) to display from the target
* @throws JspException in case there were problems including the target
*
* @see org.opencms.jsp.CmsJspTagInclude
*/
public void include(String target, String element) throws JspException {
include(target, element, null);
}
/**
* Include a named sub-element without parameters from the OpenCms VFS, same as
* using the <cms:include file="***" element="***" /> tag.
*
* @param target the target URI of the file in the OpenCms VFS (can be relative or absolute)
* @param element the element (template selector) to display from the target
* @param editable flag to indicate if direct edit should be enabled for the element
* @throws JspException in case there were problems including the target
*
* @see org.opencms.jsp.CmsJspTagInclude
*/
public void include(String target, String element, boolean editable) throws JspException {
include(target, element, editable, null);
}
/**
* Include a named sub-element with parameters from the OpenCms VFS, same as
* using the <cms:include file="***" element="***" /> tag
* with parameters in the tag body.
*
* The parameter map should be a map where the keys are Strings
* (the parameter names) and the values are of type String[].
* However, as a convenience feature,
* in case you provide just a String for the parameter value,
* it will automatically be translated to a String[1].
*
* The handling of the element parameter depends on the
* included file type. Most often it is used as template selector.
*
* Important: Exceptions that occur in the include process are NOT
* handled even if {@link #setSupressingExceptions(boolean)} was set to true.
*
* @param target the target URI of the file in the OpenCms VFS (can be relative or absolute)
* @param element the element (template selector) to display from the target
* @param editable flag to indicate if direct edit should be enabled for the element
* @param cacheable flag to indicate if the target should be cacheable in the Flex cache
* @param parameterMap a map of the request parameters
* @throws JspException in case there were problems including the target
*
* @see org.opencms.jsp.CmsJspTagInclude
*/
public void include(String target, String element, boolean editable, boolean cacheable, Map parameterMap)
throws JspException {
if (isNotInitialized()) {
return;
}
Map modParameterMap = null;
if (parameterMap != null) {
try {
modParameterMap = new HashMap(parameterMap.size());
// ensure parameters are always of type String[] not just String
Iterator i = parameterMap.entrySet().iterator();
while (i.hasNext()) {
Map.Entry entry = (Entry)i.next();
String key = entry.getKey();
Object value = entry.getValue();
if (value instanceof String[]) {
modParameterMap.put(key, (String[])value);
} else {
if (value == null) {
value = "null";
}
String[] newValue = new String[] {value.toString()};
modParameterMap.put(key, newValue);
}
}
} catch (UnsupportedOperationException e) {
// parameter map is immutable, just use it "as is"
}
}
CmsJspTagInclude.includeTagAction(
getJspContext(),
target,
element,
null,
editable,
cacheable,
modParameterMap,
CmsRequestUtil.getAtrributeMap(getRequest()),
getRequest(),
getResponse());
}
/**
* Include a named sub-element with parameters from the OpenCms VFS, same as
* using the <cms:include file="***" element="***" /> tag
* with parameters in the tag body.
*
* The parameter map should be a map where the keys are Strings
* (the parameter names) and the values are of type String[].
* However, as a convenience feature,
* in case you provide just a String for the parameter value,
* it will automatically be translated to a String[1].
*
* The handling of the element parameter depends on the
* included file type. Most often it is used as template selector.
*
* Important: Exceptions that occur in the include process are NOT
* handled even if {@link #setSupressingExceptions(boolean)} was set to true.
*
* @param target the target URI of the file in the OpenCms VFS (can be relative or absolute)
* @param element the element (template selector) to display from the target
* @param editable flag to indicate if direct edit should be enabled for the element
* @param parameterMap a map of the request parameters
* @throws JspException in case there were problems including the target
*
* @see org.opencms.jsp.CmsJspTagInclude
*/
public void include(String target, String element, boolean editable, Map parameterMap)
throws JspException {
include(target, element, editable, true, parameterMap);
}
/**
* Include a named sub-element with parameters from the OpenCms VFS, same as
* using the <cms:include file="***" element="***" /> tag
* with parameters in the tag body.
*
* @param target the target URI of the file in the OpenCms VFS (can be relative or absolute)
* @param element the element (template selector) to display from the target
* @param parameterMap a map of the request parameters
* @throws JspException in case there were problems including the target
*
* @see org.opencms.jsp.CmsJspTagInclude
*/
public void include(String target, String element, Map parameterMap) throws JspException {
include(target, element, false, parameterMap);
}
/**
* Includes a named sub-element suppressing all Exceptions that occur during the include,
* otherwise the same as using {@link #include(String, String, Map)}.
*
* This is a convenience method that allows to include elements on a page without checking
* if they exist or not. If the target element does not exist, nothing is printed to
* the JSP output.
*
* @param target the target URI of the file in the OpenCms VFS (can be relative or absolute)
* @param element the element (template selector) to display from the target
*/
public void includeSilent(String target, String element) {
try {
include(target, element, null);
} catch (Throwable t) {
// ignore
}
}
/**
* Includes a named sub-element suppressing all Exceptions that occur during the include,
* otherwise the same as using {@link #include(String, String, Map)}.
*
* This is a convenience method that allows to include elements on a page without checking
* if they exist or not. If the target element does not exist, nothing is printed to
* the JSP output.
*
* @param target the target URI of the file in the OpenCms VFS (can be relative or absolute)
* @param element the element (template selector) to display from the target
* @param editable flag to indicate if direct edit should be enabled for the element
*/
public void includeSilent(String target, String element, boolean editable) {
try {
include(target, element, editable, null);
} catch (Throwable t) {
// ignore
}
}
/**
* Includes a named sub-element suppressing all Exceptions that occur during the include,
* otherwise the same as using {@link #include(String, String, Map)}.
*
* This is a convenience method that allows to include elements on a page without checking
* if they exist or not. If the target element does not exist, nothing is printed to
* the JSP output.
*
* @param target the target URI of the file in the OpenCms VFS (can be relative or absolute)
* @param element the element (template selector) to display from the target
* @param editable flag to indicate if direct edit should be enabled for the element
* @param parameterMap a map of the request parameters
*/
public void includeSilent(String target, String element, boolean editable, Map parameterMap) {
try {
include(target, element, editable, parameterMap);
} catch (Throwable t) {
// ignore
}
}
/**
* Includes a named sub-element suppressing all Exceptions that occur during the include,
* otherwise the same as using {@link #include(String, String, Map)}.
*
* This is a convenience method that allows to include elements on a page without checking
* if they exist or not. If the target element does not exist, nothing is printed to
* the JSP output.
*
* @param target the target URI of the file in the OpenCms VFS (can be relative or absolute)
* @param element the element (template selector) to display from the target
* @param parameterMap a map of the request parameters
*/
public void includeSilent(String target, String element, Map parameterMap) {
try {
include(target, element, parameterMap);
} catch (Throwable t) {
// ignore
}
}
/**
* Returns an OpenCms or JVM system info property value, same as using
* the <cms:info property="***" /> tag.
*
* See the description of the class {@link CmsJspTagInfo} for a detailed list
* of available options for the property value.
*
* @param property the property to look up
* @return String the value of the system property
* @see org.opencms.jsp.CmsJspTagInfo
*/
public String info(String property) {
try {
return CmsJspTagInfo.infoTagAction(property, getRequest());
} catch (Throwable t) {
handleException(t);
}
CmsMessageContainer msgContainer = Messages.get().container(Messages.GUI_ERR_INFO_PROP_READ_1, property);
return getMessage(msgContainer);
}
/**
* Returns an OpenCms workplace label.
*
* You should consider using a standard
* {@link java.util.ResourceBundle java.util.ResourceBundle} instead of the
* OpenCms workplace language files.
*
* @param label the label to look up
* @return label the value of the label
*
* @see org.opencms.jsp.CmsJspTagLabel
*/
public String label(String label) {
if (isNotInitialized()) {
return getMessage(NOT_INITIALIZED);
}
try {
return CmsJspTagLabel.wpLabelTagAction(label, getRequest());
} catch (Throwable t) {
handleException(t);
}
CmsMessageContainer msgContainer = Messages.get().container(Messages.GUI_ERR_WORKPL_LABEL_READ_1, label);
return getMessage(msgContainer);
}
/**
* Returns a link to a file in the OpenCms VFS
* that has been adjusted according to the web application path and the
* OpenCms static export rules.
*
* Please note that the target is always assumed to be in the OpenCms VFS, so you can't use
* this method for links external to OpenCms.
*
* Relative links are converted to absolute links, using the current element URI as base.
*
* This is the same as using the <cms:link>***</cms:link> tag.
*
* @param target the URI in the OpenCms VFS to link to
*
* @return the translated link
*
* @see org.opencms.jsp.CmsJspTagLink
* @see #link(String, String)
*/
public String link(String target) {
return link(target, null);
}
/**
* Returns a link to a file in the OpenCms VFS
* that has been adjusted according to the web application path and the
* OpenCms static export rules.
*
* Please note that the target is always assumed to be in the OpenCms VFS, so you can't use
* this method for links external to OpenCms.
*
* Relative links are converted to absolute links, using the current element URI as base.
*
* This is the same as using the <cms:link baseUri="..." >***</cms:link> tag.
*
* @param target the URI in the OpenCms VFS to link to
* @param baseUri the optional alternative base URI
*
* @return the translated link
*
* @see org.opencms.jsp.CmsJspTagLink
* @see #link(String)
*/
public String link(String target, String baseUri) {
if (isNotInitialized()) {
return getMessage(NOT_INITIALIZED);
}
try {
return CmsJspTagLink.linkTagAction(target, getRequest(), baseUri);
} catch (Throwable t) {
handleException(t);
}
CmsMessageContainer msgContainer = Messages.get().container(Messages.GUI_ERR_GEN_LINK_1, target);
return getMessage(msgContainer);
}
/**
* Returns all properties of the current file.
*
* @return Map all properties of the current file
*/
public Map properties() {
return properties(null);
}
/**
* Returns all properties of the selected file.
*
* Please see the description of the class {@link org.opencms.jsp.CmsJspTagProperty} for
* valid options of the file parameter.
*
* @param file the file (or folder) to look at for the properties
* @return Map all properties of the current file
* (and optional of the folders containing the file)
*
* @see org.opencms.jsp.CmsJspTagProperty
*/
public Map properties(String file) {
Map props = new HashMap();
if (isNotInitialized()) {
return props;
}
try {
props = CmsJspTagProperty.propertiesTagAction(file, getRequest());
} catch (Throwable t) {
handleException(t);
}
return props;
}
/**
* Returns a selected file property value, same as using
* the <cms:property name="***" /> tag or
* calling {@link #property(String, String, String, boolean)}.
*
* @param name the name of the property to look for
* @return the value of the property found, or null if the property could not be found
*
* @see #property(String, String, String, boolean)
* @see org.opencms.jsp.CmsJspTagProperty
*/
public String property(String name) {
return property(name, null, null, false);
}
/**
* Returns a selected file property value, same as using
* the <cms:property name="***" file="***" /> tag or
* calling {@link #property(String, String, String, boolean)}.
*
* @param name the name of the property to look for
* @param file the file (or folder) to look at for the property
* @return the value of the property found, or null if the property could not be found
*
* @see #property(String, String, String, boolean)
* @see org.opencms.jsp.CmsJspTagProperty
*/
public String property(String name, String file) {
return property(name, file, null, false);
}
/**
* Returns a selected file property value, same as using
* the <cms:property name="***" file="***" default="***" /> tag or
* calling {@link #property(String, String, String, boolean)}.
*
* @param name the name of the property to look for
* @param file the file (or folder) to look at for the property
* @param defaultValue a default value in case the property was not found
* @return the value of the property found, or the value of defaultValue
* if the property could not be found
*
* @see #property(String, String, String, boolean)
* @see org.opencms.jsp.CmsJspTagProperty
*/
public String property(String name, String file, String defaultValue) {
return property(name, file, defaultValue, false);
}
/**
* Returns a selected file property value with optional HTML escaping, same as using
* the <cms:property name="***" file="***" default="***" /> tag.
*
* Please see the description of the class {@link org.opencms.jsp.CmsJspTagProperty} for
* valid options of the file parameter.
*
* @param name the name of the property to look for
* @param file the file (or folder) to look at for the property
* @param defaultValue a default value in case the property was not found
* @param escapeHtml if true, special HTML characters in the return value
* are escaped with their number representations (e.g. & becomes &)
* @return the value of the property found, or the value of defaultValue
* if the property could not be found
*
* @see org.opencms.jsp.CmsJspTagProperty
*/
public String property(String name, String file, String defaultValue, boolean escapeHtml) {
if (isNotInitialized()) {
return getMessage(NOT_INITIALIZED);
}
try {
if (file == null) {
file = getController().getCmsObject().getRequestContext().getUri();
}
return CmsJspTagProperty.propertyTagAction(name, file, defaultValue, escapeHtml, getRequest());
} catch (CmsSecurityException e) {
if (defaultValue == null) {
handleException(e);
}
} catch (Throwable t) {
handleException(t);
}
if (defaultValue == null) {
CmsMessageContainer msgContainer = Messages.get().container(
Messages.GUI_ERR_FILE_PROP_MISSING_2,
name,
file);
return getMessage(msgContainer);
} else {
return defaultValue;
}
}
/**
* Checks if a template part should be used or not, same as using
* the <cms:template element="***" /> tag.
*
* @param element the template element to check
* @return true if the element is active, false otherwise
*
* @see org.opencms.jsp.CmsJspTagUser
*/
public boolean template(String element) {
return template(element, null, false);
}
/**
* Checks if a template part should be used or not, same as using
* the <cms:template ifexists="***" /> tag.
*
* @param elementlist the list of elements to check
* @param checkall true if all elements in the list should be checked
* @return true if the elements available, false otherwise
*
* @see org.opencms.jsp.CmsJspTagUser
*/
public boolean template(String elementlist, boolean checkall) {
return template(null, elementlist, checkall);
}
/**
* Checks if a template part should be used or not, same as using
* the <cms:template element="***" ifexists="***" /> tag.
*
* @param element the template element to check
* @param elementlist the list of elements to check
* @param checkall true if all elements in the list should be checked
* @return true if the element is active, false otherwise
*
* @see org.opencms.jsp.CmsJspTagUser
*/
public boolean template(String element, String elementlist, boolean checkall) {
if (isNotInitialized()) {
return true;
}
try {
return CmsJspTagTemplate.templateTagAction(element, elementlist, checkall, false, getRequest());
} catch (Throwable t) {
handleException(t);
}
return true;
}
/**
* Converts a relative URI in the OpenCms VFS to an absolute one based on
* the location of the currently processed OpenCms URI.
*
* @param target the relative URI to convert
* @return the target URI converted to an absolute one
*/
public String toAbsolute(String target) {
if (isNotInitialized()) {
return getMessage(NOT_INITIALIZED);
}
return CmsLinkManager.getAbsoluteUri(target, getController().getCurrentRequest().getElementUri());
}
/**
* Returns a selected user property, i.e. information about the currently
* logged in user, same as using
* the <cms:user property="***" /> tag.
*
* @param property the user property to display, please see the tag documentation for valid options
* @return the value of the selected user property
*
* @see org.opencms.jsp.CmsJspTagUser
*/
public String user(String property) {
if (isNotInitialized()) {
return getMessage(NOT_INITIALIZED);
}
try {
return CmsJspTagUser.userTagAction(property, getRequest());
} catch (Throwable t) {
handleException(t);
}
CmsMessageContainer msgContainer = Messages.get().container(Messages.GUI_ERR_USER_PROP_READ_1, property);
return getMessage(msgContainer);
}
}