org.apache.jasper.compiler.tagplugin.TagPluginContext Java Examples
The following examples show how to use
org.apache.jasper.compiler.tagplugin.TagPluginContext.
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Example #1
| Source File: Remove.java From tomcatsrc with Apache License 2.0 | 6 votes |
|
@Override
public void doTag(TagPluginContext ctxt) {
//scope flag
boolean hasScope = ctxt.isAttributeSpecified("scope");
//the value of the "var"
String strVar = ctxt.getConstantAttribute("var");
//remove attribute from certain scope.
//default scope is "page".
if(hasScope){
int iScope = Util.getScope(ctxt.getConstantAttribute("scope"));
ctxt.generateJavaSource("pageContext.removeAttribute(\"" + strVar + "\"," + iScope + ");");
}else{
ctxt.generateJavaSource("pageContext.removeAttribute(\"" + strVar + "\");");
}
}
Example #2
| Source File: If.java From Tomcat7.0.67 with Apache License 2.0 | 6 votes |
|
@Override
public void doTag(TagPluginContext ctxt) {
String condV = ctxt.getTemporaryVariableName();
ctxt.generateJavaSource("boolean " + condV + "=");
ctxt.generateAttribute("test");
ctxt.generateJavaSource(";");
if (ctxt.isAttributeSpecified("var")) {
String scope = "PageContext.PAGE_SCOPE";
if (ctxt.isAttributeSpecified("scope")) {
String scopeStr = ctxt.getConstantAttribute("scope");
if ("request".equals(scopeStr)) {
scope = "PageContext.REQUEST_SCOPE";
} else if ("session".equals(scopeStr)) {
scope = "PageContext.SESSION_SCOPE";
} else if ("application".equals(scopeStr)) {
scope = "PageContext.APPLICATION_SCOPE";
}
}
ctxt.generateJavaSource("_jspx_page_context.setAttribute(");
ctxt.generateAttribute("var");
ctxt.generateJavaSource(", new Boolean(" + condV + ")," + scope + ");");
}
ctxt.generateJavaSource("if (" + condV + "){");
ctxt.generateBody();
ctxt.generateJavaSource("}");
}
Example #3
| Source File: Remove.java From Tomcat7.0.67 with Apache License 2.0 | 6 votes |
|
@Override
public void doTag(TagPluginContext ctxt) {
//scope flag
boolean hasScope = ctxt.isAttributeSpecified("scope");
//the value of the "var"
String strVar = ctxt.getConstantAttribute("var");
//remove attribute from certain scope.
//default scope is "page".
if(hasScope){
int iScope = Util.getScope(ctxt.getConstantAttribute("scope"));
ctxt.generateJavaSource("pageContext.removeAttribute(\"" + strVar + "\"," + iScope + ");");
}else{
ctxt.generateJavaSource("pageContext.removeAttribute(\"" + strVar + "\");");
}
}
Example #4
| Source File: When.java From Tomcat7.0.67 with Apache License 2.0 | 6 votes |
|
@Override
public void doTag(TagPluginContext ctxt) {
// Get the parent context to determine if this is the first <c:when>
TagPluginContext parentContext = ctxt.getParentContext();
if (parentContext == null) {
ctxt.dontUseTagPlugin();
return;
}
if ("true".equals(parentContext.getPluginAttribute("hasBeenHere"))) {
ctxt.generateJavaSource("} else if(");
// See comment below for the reason we generate the extra "}" here.
}
else {
ctxt.generateJavaSource("if(");
parentContext.setPluginAttribute("hasBeenHere", "true");
}
ctxt.generateAttribute("test");
ctxt.generateJavaSource("){");
ctxt.generateBody();
// We don't generate the closing "}" for the "if" here because there
// may be whitespaces in between <c:when>'s. Instead we delay
// generating it until the next <c:when> or <c:otherwise> or
// <c:choose>
}
Example #5
| Source File: If.java From tomcatsrc with Apache License 2.0 | 6 votes |
|
@Override
public void doTag(TagPluginContext ctxt) {
String condV = ctxt.getTemporaryVariableName();
ctxt.generateJavaSource("boolean " + condV + "=");
ctxt.generateAttribute("test");
ctxt.generateJavaSource(";");
if (ctxt.isAttributeSpecified("var")) {
String scope = "PageContext.PAGE_SCOPE";
if (ctxt.isAttributeSpecified("scope")) {
String scopeStr = ctxt.getConstantAttribute("scope");
if ("request".equals(scopeStr)) {
scope = "PageContext.REQUEST_SCOPE";
} else if ("session".equals(scopeStr)) {
scope = "PageContext.SESSION_SCOPE";
} else if ("application".equals(scopeStr)) {
scope = "PageContext.APPLICATION_SCOPE";
}
}
ctxt.generateJavaSource("_jspx_page_context.setAttribute(");
ctxt.generateAttribute("var");
ctxt.generateJavaSource(", new Boolean(" + condV + ")," + scope + ");");
}
ctxt.generateJavaSource("if (" + condV + "){");
ctxt.generateBody();
ctxt.generateJavaSource("}");
}
Example #6
| Source File: When.java From Tomcat8-Source-Read with MIT License | 6 votes |
|
@Override
public void doTag(TagPluginContext ctxt) {
// Get the parent context to determine if this is the first <c:when>
TagPluginContext parentContext = ctxt.getParentContext();
if (parentContext == null) {
ctxt.dontUseTagPlugin();
return;
}
if ("true".equals(parentContext.getPluginAttribute("hasBeenHere"))) {
ctxt.generateJavaSource("} else if(");
// See comment below for the reason we generate the extra "}" here.
}
else {
ctxt.generateJavaSource("if(");
parentContext.setPluginAttribute("hasBeenHere", "true");
}
ctxt.generateAttribute("test");
ctxt.generateJavaSource("){");
ctxt.generateBody();
// We don't generate the closing "}" for the "if" here because there
// may be whitespaces in between <c:when>'s. Instead we delay
// generating it until the next <c:when> or <c:otherwise> or
// <c:choose>
}
Example #7
| Source File: When.java From tomcatsrc with Apache License 2.0 | 6 votes |
|
@Override
public void doTag(TagPluginContext ctxt) {
// Get the parent context to determine if this is the first <c:when>
TagPluginContext parentContext = ctxt.getParentContext();
if (parentContext == null) {
ctxt.dontUseTagPlugin();
return;
}
if ("true".equals(parentContext.getPluginAttribute("hasBeenHere"))) {
ctxt.generateJavaSource("} else if(");
// See comment below for the reason we generate the extra "}" here.
}
else {
ctxt.generateJavaSource("if(");
parentContext.setPluginAttribute("hasBeenHere", "true");
}
ctxt.generateAttribute("test");
ctxt.generateJavaSource("){");
ctxt.generateBody();
// We don't generate the closing "}" for the "if" here because there
// may be whitespaces in between <c:when>'s. Instead we delay
// generating it until the next <c:when> or <c:otherwise> or
// <c:choose>
}
Example #8
| Source File: Remove.java From Tomcat8-Source-Read with MIT License | 6 votes |
|
@Override
public void doTag(TagPluginContext ctxt) {
//scope flag
boolean hasScope = ctxt.isAttributeSpecified("scope");
//the value of the "var"
String strVar = ctxt.getConstantAttribute("var");
//remove attribute from certain scope.
//default scope is "page".
if(hasScope){
int iScope = Util.getScope(ctxt.getConstantAttribute("scope"));
ctxt.generateJavaSource("pageContext.removeAttribute(\"" + strVar + "\"," + iScope + ");");
}else{
ctxt.generateJavaSource("pageContext.removeAttribute(\"" + strVar + "\");");
}
}
Example #9
| Source File: If.java From Tomcat8-Source-Read with MIT License | 6 votes |
|
@Override
public void doTag(TagPluginContext ctxt) {
String condV = ctxt.getTemporaryVariableName();
ctxt.generateJavaSource("boolean " + condV + "=");
ctxt.generateAttribute("test");
ctxt.generateJavaSource(";");
if (ctxt.isAttributeSpecified("var")) {
String scope = "PageContext.PAGE_SCOPE";
if (ctxt.isAttributeSpecified("scope")) {
String scopeStr = ctxt.getConstantAttribute("scope");
if ("request".equals(scopeStr)) {
scope = "PageContext.REQUEST_SCOPE";
} else if ("session".equals(scopeStr)) {
scope = "PageContext.SESSION_SCOPE";
} else if ("application".equals(scopeStr)) {
scope = "PageContext.APPLICATION_SCOPE";
}
}
ctxt.generateJavaSource("_jspx_page_context.setAttribute(");
ctxt.generateAttribute("var");
ctxt.generateJavaSource(", new Boolean(" + condV + ")," + scope + ");");
}
ctxt.generateJavaSource("if (" + condV + "){");
ctxt.generateBody();
ctxt.generateJavaSource("}");
}
Example #10
| Source File: TagPluginManager.java From tomcatsrc with Apache License 2.0 | 5 votes |
|
/**
* Invoke tag plugin for the given custom tag, if a plugin exists for
* the custom tag's tag handler.
*
* The given custom tag node will be manipulated by the plugin.
*/
private void invokePlugin(Node.CustomTag n, PageInfo pageInfo) {
TagPlugin tagPlugin = tagPlugins.get(n.getTagHandlerClass().getName());
if (tagPlugin == null) {
return;
}
TagPluginContext tagPluginContext = new TagPluginContextImpl(n, pageInfo);
n.setTagPluginContext(tagPluginContext);
tagPlugin.doTag(tagPluginContext);
}
Example #11
| Source File: Choose.java From tomcatsrc with Apache License 2.0 | 5 votes |
|
@Override
public void doTag(TagPluginContext ctxt) {
// Not much to do here, much of the work will be done in the
// containing tags, <c:when> and <c:otherwise>.
ctxt.generateBody();
// See comments in When.java for the reason "}" is generated here.
ctxt.generateJavaSource("}");
}
Example #12
| Source File: Otherwise.java From Tomcat8-Source-Read with MIT License | 5 votes |
|
@Override
public void doTag(TagPluginContext ctxt) {
// See When.java for the reason whey "}" is need at the beginning and
// not at the end.
ctxt.generateJavaSource("} else {");
ctxt.generateBody();
}
Example #13
| Source File: TagPluginManager.java From tomcatsrc with Apache License 2.0 | 5 votes |
|
@Override
public TagPluginContext getParentContext() {
Node parent = node.getParent();
if (! (parent instanceof Node.CustomTag)) {
return null;
}
return ((Node.CustomTag) parent).getTagPluginContext();
}
Example #14
| Source File: TagPluginManager.java From packagedrone with Eclipse Public License 1.0 | 5 votes |
|
/**
* Invoke tag plugin for the given custom tag, if a plugin exists for
* the custom tag's tag handler.
*
* The given custom tag node will be manipulated by the plugin.
*/
private void invokePlugin(Node.CustomTag n) {
TagPlugin tagPlugin = tagPlugins.get(n.getTagHandlerClass().getName());
if (tagPlugin == null) {
return;
}
TagPluginContext tagPluginContext = new TagPluginContextImpl(n, pageInfo);
n.setTagPluginContext(tagPluginContext);
tagPlugin.doTag(tagPluginContext);
}
Example #15
| Source File: Otherwise.java From tomcatsrc with Apache License 2.0 | 5 votes |
|
@Override
public void doTag(TagPluginContext ctxt) {
// See When.java for the reason whey "}" is need at the beginng and
// not at the end.
ctxt.generateJavaSource("} else {");
ctxt.generateBody();
}
Example #16
| Source File: TagPluginManager.java From Tomcat7.0.67 with Apache License 2.0 | 5 votes |
|
@Override
public TagPluginContext getParentContext() {
Node parent = node.getParent();
if (! (parent instanceof Node.CustomTag)) {
return null;
}
return ((Node.CustomTag) parent).getTagPluginContext();
}
Example #17
| Source File: TagPluginManager.java From Tomcat7.0.67 with Apache License 2.0 | 5 votes |
|
/**
* Invoke tag plugin for the given custom tag, if a plugin exists for
* the custom tag's tag handler.
*
* The given custom tag node will be manipulated by the plugin.
*/
private void invokePlugin(Node.CustomTag n, PageInfo pageInfo) {
TagPlugin tagPlugin = tagPlugins.get(n.getTagHandlerClass().getName());
if (tagPlugin == null) {
return;
}
TagPluginContext tagPluginContext = new TagPluginContextImpl(n, pageInfo);
n.setTagPluginContext(tagPluginContext);
tagPlugin.doTag(tagPluginContext);
}
Example #18
| Source File: Choose.java From Tomcat7.0.67 with Apache License 2.0 | 5 votes |
|
@Override
public void doTag(TagPluginContext ctxt) {
// Not much to do here, much of the work will be done in the
// containing tags, <c:when> and <c:otherwise>.
ctxt.generateBody();
// See comments in When.java for the reason "}" is generated here.
ctxt.generateJavaSource("}");
}
Example #19
| Source File: TagPluginManager.java From packagedrone with Eclipse Public License 1.0 | 5 votes |
|
public TagPluginContext getParentContext() {
Node parent = node.getParent();
if (! (parent instanceof Node.CustomTag)) {
return null;
}
return ((Node.CustomTag) parent).getTagPluginContext();
}
Example #20
| Source File: Otherwise.java From Tomcat7.0.67 with Apache License 2.0 | 5 votes |
|
@Override
public void doTag(TagPluginContext ctxt) {
// See When.java for the reason whey "}" is need at the beginng and
// not at the end.
ctxt.generateJavaSource("} else {");
ctxt.generateBody();
}
Example #21
| Source File: TagPluginManager.java From Tomcat8-Source-Read with MIT License | 5 votes |
|
/**
* Invoke tag plugin for the given custom tag, if a plugin exists for
* the custom tag's tag handler.
* <p/>
* The given custom tag node will be manipulated by the plugin.
*/
private void invokePlugin(Node.CustomTag n, PageInfo pageInfo) {
TagPlugin tagPlugin = tagPlugins.get(n.getTagHandlerClass().getName());
if (tagPlugin == null) {
return;
}
TagPluginContext tagPluginContext = new TagPluginContextImpl(n, pageInfo);
n.setTagPluginContext(tagPluginContext);
tagPlugin.doTag(tagPluginContext);
}
Example #22
| Source File: TagPluginManager.java From Tomcat8-Source-Read with MIT License | 5 votes |
|
@Override
public TagPluginContext getParentContext() {
Node parent = node.getParent();
if (!(parent instanceof Node.CustomTag)) {
return null;
}
return ((Node.CustomTag) parent).getTagPluginContext();
}
Example #23
| Source File: Choose.java From Tomcat8-Source-Read with MIT License | 5 votes |
|
@Override
public void doTag(TagPluginContext ctxt) {
// Not much to do here, much of the work will be done in the
// containing tags, <c:when> and <c:otherwise>.
ctxt.generateBody();
// See comments in When.java for the reason "}" is generated here.
ctxt.generateJavaSource("}");
}
Example #24
| Source File: Param.java From Tomcat8-Source-Read with MIT License | 4 votes |
|
@Override
public void doTag(TagPluginContext ctxt) {
//don't support the body content
//define names of all the temp variables
String nameName = ctxt.getTemporaryVariableName();
String valueName = ctxt.getTemporaryVariableName();
String urlName = ctxt.getTemporaryVariableName();
String encName = ctxt.getTemporaryVariableName();
String index = ctxt.getTemporaryVariableName();
//if the param tag has no parents, throw a exception
TagPluginContext parent = ctxt.getParentContext();
if(parent == null){
ctxt.generateJavaSource(" throw new JspTagException" +
"(\"<param> outside <import> or <urlEncode>\");");
return;
}
//get the url string before adding this param
ctxt.generateJavaSource("String " + urlName + " = " +
"(String)pageContext.getAttribute(\"url_without_param\");");
//get the value of "name"
ctxt.generateJavaSource("String " + nameName + " = ");
ctxt.generateAttribute("name");
ctxt.generateJavaSource(";");
//if the "name" is null then do nothing.
//else add such string "name=value" to the url.
//and the url should be encoded
ctxt.generateJavaSource("if(" + nameName + " != null && !" + nameName + ".equals(\"\")){");
ctxt.generateJavaSource(" String " + valueName + " = ");
ctxt.generateAttribute("value");
ctxt.generateJavaSource(";");
ctxt.generateJavaSource(" if(" + valueName + " == null) " + valueName + " = \"\";");
ctxt.generateJavaSource(" String " + encName + " = pageContext.getResponse().getCharacterEncoding();");
ctxt.generateJavaSource(" " + nameName + " = java.net.URLEncoder.encode(" + nameName + ", " + encName + ");");
ctxt.generateJavaSource(" " + valueName + " = java.net.URLEncoder.encode(" + valueName + ", " + encName + ");");
ctxt.generateJavaSource(" int " + index + ";");
ctxt.generateJavaSource(" " + index + " = " + urlName + ".indexOf(\'?\');");
//if the current param is the first one, add a "?" ahead of it
//else add a "&" ahead of it
ctxt.generateJavaSource(" if(" + index + " == -1){");
ctxt.generateJavaSource(" " + urlName + " = " + urlName + " + \"?\" + " + nameName + " + \"=\" + " + valueName + ";");
ctxt.generateJavaSource(" }else{");
ctxt.generateJavaSource(" " + urlName + " = " + urlName + " + \"&\" + " + nameName + " + \"=\" + " + valueName + ";");
ctxt.generateJavaSource(" }");
ctxt.generateJavaSource(" pageContext.setAttribute(\"url_without_param\"," + urlName + ");");
ctxt.generateJavaSource("}");
}
Example #25
| Source File: Param.java From tomcatsrc with Apache License 2.0 | 4 votes |
|
@Override
public void doTag(TagPluginContext ctxt) {
//don't support the body content
//define names of all the temp variables
String nameName = ctxt.getTemporaryVariableName();
String valueName = ctxt.getTemporaryVariableName();
String urlName = ctxt.getTemporaryVariableName();
String encName = ctxt.getTemporaryVariableName();
String index = ctxt.getTemporaryVariableName();
//if the param tag has no parents, throw a exception
TagPluginContext parent = ctxt.getParentContext();
if(parent == null){
ctxt.generateJavaSource(" throw new JspTagExcption" +
"(\"<param> outside <import> or <urlEncode>\");");
return;
}
//get the url string before adding this param
ctxt.generateJavaSource("String " + urlName + " = " +
"(String)pageContext.getAttribute(\"url_without_param\");");
//get the value of "name"
ctxt.generateJavaSource("String " + nameName + " = ");
ctxt.generateAttribute("name");
ctxt.generateJavaSource(";");
//if the "name" is null then do nothing.
//else add such string "name=value" to the url.
//and the url should be encoded
ctxt.generateJavaSource("if(" + nameName + " != null && !" + nameName + ".equals(\"\")){");
ctxt.generateJavaSource(" String " + valueName + " = ");
ctxt.generateAttribute("value");
ctxt.generateJavaSource(";");
ctxt.generateJavaSource(" if(" + valueName + " == null) " + valueName + " = \"\";");
ctxt.generateJavaSource(" String " + encName + " = pageContext.getResponse().getCharacterEncoding();");
ctxt.generateJavaSource(" " + nameName + " = java.net.URLEncoder.encode(" + nameName + ", " + encName + ");");
ctxt.generateJavaSource(" " + valueName + " = java.net.URLEncoder.encode(" + valueName + ", " + encName + ");");
ctxt.generateJavaSource(" int " + index + ";");
ctxt.generateJavaSource(" " + index + " = " + urlName + ".indexOf(\'?\');");
//if the current param is the first one, add a "?" ahead of it
//else add a "&" ahead of it
ctxt.generateJavaSource(" if(" + index + " == -1){");
ctxt.generateJavaSource(" " + urlName + " = " + urlName + " + \"?\" + " + nameName + " + \"=\" + " + valueName + ";");
ctxt.generateJavaSource(" }else{");
ctxt.generateJavaSource(" " + urlName + " = " + urlName + " + \"&\" + " + nameName + " + \"=\" + " + valueName + ";");
ctxt.generateJavaSource(" }");
ctxt.generateJavaSource(" pageContext.setAttribute(\"url_without_param\"," + urlName + ");");
ctxt.generateJavaSource("}");
}
Example #26
| Source File: Url.java From tomcatsrc with Apache License 2.0 | 4 votes |
|
@Override
public void doTag(TagPluginContext ctxt) {
//flags
boolean hasVar, hasContext, hasScope;
//init flags
hasVar = ctxt.isAttributeSpecified("var");
hasContext = ctxt.isAttributeSpecified("context");
hasScope = ctxt.isAttributeSpecified("scope");
//define name of the temp variables
String valueName = ctxt.getTemporaryVariableName();
String contextName = ctxt.getTemporaryVariableName();
String baseUrlName = ctxt.getTemporaryVariableName();
String resultName = ctxt.getTemporaryVariableName();
String responseName = ctxt.getTemporaryVariableName();
//get the scope
String strScope = "page";
if(hasScope){
strScope = ctxt.getConstantAttribute("scope");
}
int iScope = Util.getScope(strScope);
//get the value
ctxt.generateJavaSource("String " + valueName + " = ");
ctxt.generateAttribute("value");
ctxt.generateJavaSource(";");
//get the context
ctxt.generateJavaSource("String " + contextName + " = null;");
if(hasContext){
ctxt.generateJavaSource(contextName + " = ");
ctxt.generateAttribute("context");
ctxt.generateJavaSource(";");
}
//get the raw url
ctxt.generateJavaSource("String " + baseUrlName + " = " +
"org.apache.jasper.tagplugins.jstl.Util.resolveUrl(" + valueName + ", " + contextName + ", pageContext);");
ctxt.generateJavaSource("pageContext.setAttribute" +
"(\"url_without_param\", " + baseUrlName + ");");
//add params
ctxt.generateBody();
ctxt.generateJavaSource("String " + resultName + " = " +
"(String)pageContext.getAttribute(\"url_without_param\");");
ctxt.generateJavaSource("pageContext.removeAttribute(\"url_without_param\");");
//if the url is relative, encode it
ctxt.generateJavaSource("if(!org.apache.jasper.tagplugins.jstl.Util.isAbsoluteUrl(" + resultName + ")){");
ctxt.generateJavaSource(" HttpServletResponse " + responseName + " = " +
"((HttpServletResponse) pageContext.getResponse());");
ctxt.generateJavaSource(" " + resultName + " = "
+ responseName + ".encodeURL(" + resultName + ");");
ctxt.generateJavaSource("}");
//if "var" is specified, the url string store in the attribute var defines
if(hasVar){
String strVar = ctxt.getConstantAttribute("var");
ctxt.generateJavaSource("pageContext.setAttribute" +
"(\"" + strVar + "\", " + resultName + ", " + iScope + ");");
//if var is not specified, just print out the url string
}else{
ctxt.generateJavaSource("try{");
ctxt.generateJavaSource(" pageContext.getOut().print(" + resultName + ");");
ctxt.generateJavaSource("}catch(java.io.IOException ex){");
ctxt.generateJavaSource(" throw new JspTagException(ex.toString(), ex);");
ctxt.generateJavaSource("}");
}
}
Example #27
| Source File: Redirect.java From tomcatsrc with Apache License 2.0 | 4 votes |
|
@Override
public void doTag(TagPluginContext ctxt) {
//flag for the existence of the "context"
boolean hasContext = ctxt.isAttributeSpecified("context");
//names of the temp variables
String urlName = ctxt.getTemporaryVariableName();
String contextName = ctxt.getTemporaryVariableName();
String baseUrlName = ctxt.getTemporaryVariableName();
String resultName = ctxt.getTemporaryVariableName();
String responseName = ctxt.getTemporaryVariableName();
//get context
ctxt.generateJavaSource("String " + contextName + " = null;");
if(hasContext){
ctxt.generateJavaSource(contextName + " = ");
ctxt.generateAttribute("context");
ctxt.generateJavaSource(";");
}
//get the url
ctxt.generateJavaSource("String " + urlName + " = ");
ctxt.generateAttribute("url");
ctxt.generateJavaSource(";");
//get the raw url according to "url" and "context"
ctxt.generateJavaSource("String " + baseUrlName + " = " +
"org.apache.jasper.tagplugins.jstl.Util.resolveUrl(" + urlName + ", " + contextName + ", pageContext);");
ctxt.generateJavaSource("pageContext.setAttribute" +
"(\"url_without_param\", " + baseUrlName + ");");
//add params
ctxt.generateBody();
ctxt.generateJavaSource("String " + resultName + " = " +
"(String)pageContext.getAttribute(\"url_without_param\");");
ctxt.generateJavaSource("pageContext.removeAttribute" +
"(\"url_without_param\");");
//get the response object
ctxt.generateJavaSource("HttpServletResponse " + responseName + " = " +
"((HttpServletResponse) pageContext.getResponse());");
//if the url is relative, encode it
ctxt.generateJavaSource("if(!org.apache.jasper.tagplugins.jstl.Util.isAbsoluteUrl(" + resultName + ")){");
ctxt.generateJavaSource(" " + resultName + " = "
+ responseName + ".encodeRedirectURL(" + resultName + ");");
ctxt.generateJavaSource("}");
//do redirect
ctxt.generateJavaSource("try{");
ctxt.generateJavaSource(" " + responseName + ".sendRedirect(" + resultName + ");");
ctxt.generateJavaSource("}catch(java.io.IOException ex){");
ctxt.generateJavaSource(" throw new JspTagException(ex.toString(), ex);");
ctxt.generateJavaSource("}");
}
Example #28
| Source File: Out.java From tomcatsrc with Apache License 2.0 | 4 votes |
|
@Override
public void doTag(TagPluginContext ctxt) {
//these two data member are to indicate
//whether the corresponding attribute is specified
boolean hasDefault=false, hasEscapeXml=false;
hasDefault = ctxt.isAttributeSpecified("default");
hasEscapeXml = ctxt.isAttributeSpecified("escapeXml");
//strValName, strEscapeXmlName & strDefName are two variables' name
//standing for value, escapeXml and default attribute
String strObjectName = ctxt.getTemporaryVariableName();
String strValName = ctxt.getTemporaryVariableName();
String strDefName = ctxt.getTemporaryVariableName();
String strEscapeXmlName = ctxt.getTemporaryVariableName();
String strSkipBodyName = ctxt.getTemporaryVariableName();
//according to the tag file, the value attribute is mandatory.
ctxt.generateImport("java.io.Reader");
ctxt.generateJavaSource("Object " + strObjectName + "=");
ctxt.generateAttribute("value");
ctxt.generateJavaSource(";");
ctxt.generateJavaSource("String " + strValName + "=null;");
ctxt.generateJavaSource("if(!(" + strObjectName +
" instanceof Reader) && "+ strObjectName + " != null){");
ctxt.generateJavaSource(
strValName + " = " + strObjectName + ".toString();");
ctxt.generateJavaSource("}");
//initiate the strDefName with null.
//if the default has been specified, then assign the value to it;
ctxt.generateJavaSource("String " + strDefName + " = null;");
if(hasDefault){
ctxt.generateJavaSource("if(");
ctxt.generateAttribute("default");
ctxt.generateJavaSource(" != null){");
ctxt.generateJavaSource(strDefName + " = (");
ctxt.generateAttribute("default");
ctxt.generateJavaSource(").toString();");
ctxt.generateJavaSource("}");
}
//initiate the strEscapeXmlName with true;
//if the escapeXml is specified, assign the value to it;
ctxt.generateJavaSource("boolean " + strEscapeXmlName + " = true;");
if(hasEscapeXml){
ctxt.generateJavaSource(strEscapeXmlName + " = ");
ctxt.generateAttribute("escapeXml");
ctxt.generateJavaSource(";");
}
//main part.
ctxt.generateJavaSource(
"boolean " + strSkipBodyName + " = " +
"org.apache.jasper.tagplugins.jstl.core.Out.output(out, " +
strObjectName + ", " + strValName + ", " + strDefName + ", " +
strEscapeXmlName + ");");
ctxt.generateJavaSource("if(!" + strSkipBodyName + ") {");
ctxt.generateBody();
ctxt.generateJavaSource("}");
}
Example #29
| Source File: Url.java From Tomcat8-Source-Read with MIT License | 4 votes |
|
@Override
public void doTag(TagPluginContext ctxt) {
//flags
boolean hasVar, hasContext, hasScope;
//init flags
hasVar = ctxt.isAttributeSpecified("var");
hasContext = ctxt.isAttributeSpecified("context");
hasScope = ctxt.isAttributeSpecified("scope");
//define name of the temp variables
String valueName = ctxt.getTemporaryVariableName();
String contextName = ctxt.getTemporaryVariableName();
String baseUrlName = ctxt.getTemporaryVariableName();
String resultName = ctxt.getTemporaryVariableName();
String responseName = ctxt.getTemporaryVariableName();
//get the scope
String strScope = "page";
if(hasScope){
strScope = ctxt.getConstantAttribute("scope");
}
int iScope = Util.getScope(strScope);
//get the value
ctxt.generateJavaSource("String " + valueName + " = ");
ctxt.generateAttribute("value");
ctxt.generateJavaSource(";");
//get the context
ctxt.generateJavaSource("String " + contextName + " = null;");
if(hasContext){
ctxt.generateJavaSource(contextName + " = ");
ctxt.generateAttribute("context");
ctxt.generateJavaSource(";");
}
//get the raw url
ctxt.generateJavaSource("String " + baseUrlName + " = " +
"org.apache.jasper.tagplugins.jstl.Util.resolveUrl(" + valueName + ", " + contextName + ", pageContext);");
ctxt.generateJavaSource("pageContext.setAttribute" +
"(\"url_without_param\", " + baseUrlName + ");");
//add params
ctxt.generateBody();
ctxt.generateJavaSource("String " + resultName + " = " +
"(String)pageContext.getAttribute(\"url_without_param\");");
ctxt.generateJavaSource("pageContext.removeAttribute(\"url_without_param\");");
//if the url is relative, encode it
ctxt.generateJavaSource("if(!org.apache.jasper.tagplugins.jstl.Util.isAbsoluteUrl(" + resultName + ")){");
ctxt.generateJavaSource(" HttpServletResponse " + responseName + " = " +
"((HttpServletResponse) pageContext.getResponse());");
ctxt.generateJavaSource(" " + resultName + " = "
+ responseName + ".encodeURL(" + resultName + ");");
ctxt.generateJavaSource("}");
//if "var" is specified, the url string store in the attribute var defines
if(hasVar){
String strVar = ctxt.getConstantAttribute("var");
ctxt.generateJavaSource("pageContext.setAttribute" +
"(\"" + strVar + "\", " + resultName + ", " + iScope + ");");
//if var is not specified, just print out the url string
}else{
ctxt.generateJavaSource("try{");
ctxt.generateJavaSource(" pageContext.getOut().print(" + resultName + ");");
ctxt.generateJavaSource("}catch(java.io.IOException ex){");
ctxt.generateJavaSource(" throw new JspTagException(ex.toString(), ex);");
ctxt.generateJavaSource("}");
}
}
Example #30
| Source File: Out.java From Tomcat8-Source-Read with MIT License | 4 votes |
|
@Override
public void doTag(TagPluginContext ctxt) {
//these two data member are to indicate
//whether the corresponding attribute is specified
boolean hasDefault=false, hasEscapeXml=false;
hasDefault = ctxt.isAttributeSpecified("default");
hasEscapeXml = ctxt.isAttributeSpecified("escapeXml");
//strValName, strEscapeXmlName & strDefName are two variables' name
//standing for value, escapeXml and default attribute
String strObjectName = ctxt.getTemporaryVariableName();
String strValName = ctxt.getTemporaryVariableName();
String strDefName = ctxt.getTemporaryVariableName();
String strEscapeXmlName = ctxt.getTemporaryVariableName();
String strSkipBodyName = ctxt.getTemporaryVariableName();
//according to the tag file, the value attribute is mandatory.
ctxt.generateImport("java.io.Reader");
ctxt.generateJavaSource("Object " + strObjectName + "=");
ctxt.generateAttribute("value");
ctxt.generateJavaSource(";");
ctxt.generateJavaSource("String " + strValName + "=null;");
ctxt.generateJavaSource("if(!(" + strObjectName +
" instanceof Reader) && "+ strObjectName + " != null){");
ctxt.generateJavaSource(
strValName + " = " + strObjectName + ".toString();");
ctxt.generateJavaSource("}");
//initiate the strDefName with null.
//if the default has been specified, then assign the value to it;
ctxt.generateJavaSource("String " + strDefName + " = null;");
if(hasDefault){
ctxt.generateJavaSource("if(");
ctxt.generateAttribute("default");
ctxt.generateJavaSource(" != null){");
ctxt.generateJavaSource(strDefName + " = (");
ctxt.generateAttribute("default");
ctxt.generateJavaSource(").toString();");
ctxt.generateJavaSource("}");
}
//initiate the strEscapeXmlName with true;
//if the escapeXml is specified, assign the value to it;
ctxt.generateJavaSource("boolean " + strEscapeXmlName + " = true;");
if(hasEscapeXml){
ctxt.generateJavaSource(strEscapeXmlName + " = ");
ctxt.generateAttribute("escapeXml");
ctxt.generateJavaSource(";");
}
//main part.
ctxt.generateJavaSource(
"boolean " + strSkipBodyName + " = " +
"org.apache.jasper.tagplugins.jstl.core.Out.output(out, " +
strObjectName + ", " + strValName + ", " + strDefName + ", " +
strEscapeXmlName + ");");
ctxt.generateJavaSource("if(!" + strSkipBodyName + ") {");
ctxt.generateBody();
ctxt.generateJavaSource("}");
}
