Java TagPluginContext.getConstantAttribute方法代码示例

本文整理汇总了Java中org.apache.jasper.compiler.tagplugin.TagPluginContext.getConstantAttribute方法的典型用法代码示例。如果您正苦于以下问题：Java TagPluginContext.getConstantAttribute方法的具体用法？Java TagPluginContext.getConstantAttribute怎么用？Java TagPluginContext.getConstantAttribute使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.jasper.compiler.tagplugin.TagPluginContext的用法示例。

在下文中一共展示了TagPluginContext.getConstantAttribute方法的10个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: doTag

import org.apache.jasper.compiler.tagplugin.TagPluginContext; //导入方法依赖的package包/类
@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("}");
}

开发者ID:liaokailin，项目名称:tomcat7，代码行数:27，代码来源:If.java

示例2: doTag

import org.apache.jasper.compiler.tagplugin.TagPluginContext; //导入方法依赖的package包/类
@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 + "\");");
    }
}

开发者ID:liaokailin，项目名称:tomcat7，代码行数:19，代码来源:Remove.java

示例3: doTag

import org.apache.jasper.compiler.tagplugin.TagPluginContext; //导入方法依赖的package包/类
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 + "\");");
    }
}

开发者ID:lamsfoundation，项目名称:lams，代码行数:18，代码来源:Remove.java

示例4: doTag

import org.apache.jasper.compiler.tagplugin.TagPluginContext; //导入方法依赖的package包/类
@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("}");
}

开发者ID:how2j，项目名称:lazycat，代码行数:27，代码来源:If.java

示例5: doTag

import org.apache.jasper.compiler.tagplugin.TagPluginContext; //导入方法依赖的package包/类
@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 + "\");");
	}
}

开发者ID:how2j，项目名称:lazycat，代码行数:19，代码来源:Remove.java

示例6: doTag

import org.apache.jasper.compiler.tagplugin.TagPluginContext; //导入方法依赖的package包/类
@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 + "\");");
    }
}

开发者ID:nkasvosve，项目名称:beyondj，代码行数:19，代码来源:Remove.java

示例7: doTag

import org.apache.jasper.compiler.tagplugin.TagPluginContext; //导入方法依赖的package包/类
@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("}");
    }
}

开发者ID:liaokailin，项目名称:tomcat7，代码行数:75，代码来源:Url.java

示例8: doTag

import org.apache.jasper.compiler.tagplugin.TagPluginContext; //导入方法依赖的package包/类
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("}");
    }
}

开发者ID:lamsfoundation，项目名称:lams，代码行数:74，代码来源:Url.java

示例9: doTag

import org.apache.jasper.compiler.tagplugin.TagPluginContext; //导入方法依赖的package包/类
@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("}");
	}
}

开发者ID:how2j，项目名称:lazycat，代码行数:74，代码来源:Url.java

示例10: doTag

import org.apache.jasper.compiler.tagplugin.TagPluginContext; //导入方法依赖的package包/类
@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("}");
    }
}

开发者ID:nkasvosve，项目名称:beyondj，代码行数:75，代码来源:Url.java

注：本文中的org.apache.jasper.compiler.tagplugin.TagPluginContext.getConstantAttribute方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。