Java Code Examples for javax.servlet.ServletRequest#getParameterValues()
The following examples show how to use
javax.servlet.ServletRequest#getParameterValues() .
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Example 1
Source File: WebUtils.java From spring-analysis-note with MIT License | 6 votes |
/** * Return a map containing all parameters with the given prefix. * Maps single values to String and multiple values to String array. * <p>For example, with a prefix of "spring_", "spring_param1" and * "spring_param2" result in a Map with "param1" and "param2" as keys. * @param request the HTTP request in which to look for parameters * @param prefix the beginning of parameter names * (if this is null or the empty string, all parameters will match) * @return map containing request parameters <b>without the prefix</b>, * containing either a String or a String array as values * @see javax.servlet.ServletRequest#getParameterNames * @see javax.servlet.ServletRequest#getParameterValues * @see javax.servlet.ServletRequest#getParameterMap */ public static Map<String, Object> getParametersStartingWith(ServletRequest request, @Nullable String prefix) { Assert.notNull(request, "Request must not be null"); Enumeration<String> paramNames = request.getParameterNames(); Map<String, Object> params = new TreeMap<>(); if (prefix == null) { prefix = ""; } while (paramNames != null && paramNames.hasMoreElements()) { String paramName = paramNames.nextElement(); if (prefix.isEmpty() || paramName.startsWith(prefix)) { String unprefixed = paramName.substring(prefix.length()); String[] values = request.getParameterValues(paramName); if (values == null || values.length == 0) { // Do nothing, no values found at all. } else if (values.length > 1) { params.put(unprefixed, values); } else { params.put(unprefixed, values[0]); } } } return params; }
Example 2
Source File: AsyncTasksTest.java From appengine-tck with Apache License 2.0 | 6 votes |
@Test public void testMultiValueParams() throws Exception { class ParamHandler implements PrintServlet.RequestHandler { private String[] paramValues; public void handleRequest(ServletRequest req) { paramValues = req.getParameterValues("multi_value"); } } ParamHandler handler = new ParamHandler(); PrintServlet.setRequestHandler(handler); final Queue queue = QueueFactory.getQueue("tasks-queue"); waitOnFuture(queue.addAsync( withUrl(URL) .param("multi_value", "param_value1") .param("multi_value", "param_value2"))); sync(); assertNotNull(handler.paramValues); assertEquals( new HashSet<String>(Arrays.asList("param_value1", "param_value2")), new HashSet<String>(Arrays.asList(handler.paramValues))); }
Example 3
Source File: ServletUtils.java From base-framework with Apache License 2.0 | 6 votes |
/** * 通过参数名称获取ServletRequest所有参数 * * @param request ServletRequest * @param name 参数名称 * * @return List */ public static List<String> getParameterValues(ServletRequest request,String name) { List<String> list = new ArrayList<String>(); if (request == null || StringUtils.isEmpty(name)) { return list; } String[] values = request.getParameterValues(name); if (ArrayUtils.isNotEmpty(values)) { CollectionUtils.addAll(list,values); } else { String value = request.getParameter(name); if (StringUtils.isNotEmpty(value)) { values = StringUtils.splitByWholeSeparator(value, ","); } } if (values != null && values.length > 0) { CollectionUtils.addAll(list,values); } return list; }
Example 4
Source File: Servlets.java From spring-boot-quickstart with Apache License 2.0 | 6 votes |
/** * 取得带相同前缀的Request Parameters, copy from spring WebUtils. * * 返回的结果的Parameter名已去除前缀. */ public static Map<String, Object> getParametersStartingWith(ServletRequest request, String prefix) { Validate.notNull(request, "Request must not be null"); Enumeration paramNames = request.getParameterNames(); Map<String, Object> params = new TreeMap<String, Object>(); if (prefix == null) { prefix = ""; } while ((paramNames != null) && paramNames.hasMoreElements()) { String paramName = (String) paramNames.nextElement(); if ("".equals(prefix) || paramName.startsWith(prefix)) { String unprefixed = paramName.substring(prefix.length()); String[] values = request.getParameterValues(paramName); if ((values == null) || (values.length == 0)) { // Do nothing, no values found at all. } else if (values.length > 1) { params.put(unprefixed, values); } else { params.put(unprefixed, values[0]); } } } return params; }
Example 5
Source File: Servlets.java From dpCms with Apache License 2.0 | 6 votes |
/** * 取得带相同前缀的Request Parameters, copy from spring WebUtils. * * 返回的结果的Parameter名已去除前缀. */ public static Map<String, Object> getParametersStartingWith(ServletRequest request, String prefix) { Validate.notNull(request, "Request must not be null"); Enumeration paramNames = request.getParameterNames(); Map<String, Object> params = new TreeMap<String, Object>(); if (prefix == null) { prefix = ""; } if((paramNames != null)) { while (paramNames.hasMoreElements()) { String paramName = (String) paramNames.nextElement(); if ("".equals(prefix) || paramName.startsWith(prefix)) { String unprefixed = paramName.substring(prefix.length()); String[] values = request.getParameterValues(paramName); if ((values == null) || (values.length == 0)) { // Do nothing, no values found at all. } else if (values.length > 1) { params.put(unprefixed, values); } else { params.put(unprefixed, values[0]); } } } } return params; }
Example 6
Source File: WebUtils.java From spring4-understanding with Apache License 2.0 | 6 votes |
/** * Return a map containing all parameters with the given prefix. * Maps single values to String and multiple values to String array. * <p>For example, with a prefix of "spring_", "spring_param1" and * "spring_param2" result in a Map with "param1" and "param2" as keys. * @param request HTTP request in which to look for parameters * @param prefix the beginning of parameter names * (if this is null or the empty string, all parameters will match) * @return map containing request parameters <b>without the prefix</b>, * containing either a String or a String array as values * @see javax.servlet.ServletRequest#getParameterNames * @see javax.servlet.ServletRequest#getParameterValues * @see javax.servlet.ServletRequest#getParameterMap */ public static Map<String, Object> getParametersStartingWith(ServletRequest request, String prefix) { Assert.notNull(request, "Request must not be null"); Enumeration<String> paramNames = request.getParameterNames(); Map<String, Object> params = new TreeMap<String, Object>(); if (prefix == null) { prefix = ""; } while (paramNames != null && paramNames.hasMoreElements()) { String paramName = paramNames.nextElement(); if ("".equals(prefix) || paramName.startsWith(prefix)) { String unprefixed = paramName.substring(prefix.length()); String[] values = request.getParameterValues(paramName); if (values == null || values.length == 0) { // Do nothing, no values found at all. } else if (values.length > 1) { params.put(unprefixed, values); } else { params.put(unprefixed, values[0]); } } } return params; }
Example 7
Source File: ServletUtils.java From DWSurvey with GNU Affero General Public License v3.0 | 6 votes |
/** * 取得带相同前缀的Request Parameters. * * 返回的结果的Parameter名已去除前缀. */ public static Map<String, Object> getParametersStartingWith(ServletRequest request, String prefix) { AssertUtils.notNull(request, "Request must not be null"); Enumeration paramNames = request.getParameterNames(); Map<String, Object> params = new TreeMap<String, Object>(); if (prefix == null) { prefix = ""; } while (paramNames != null && paramNames.hasMoreElements()) { String paramName = (String) paramNames.nextElement(); if ("".equals(prefix) || paramName.startsWith(prefix)) { String unprefixed = paramName.substring(prefix.length()); String[] values = request.getParameterValues(paramName); if (values == null || values.length == 0) { // Do nothing, no values found at all. } else if (values.length > 1) { params.put(unprefixed, values); } else { params.put(unprefixed, values[0]); } } } return params; }
Example 8
Source File: ServletRequestHandler.java From commons-jxpath with Apache License 2.0 | 6 votes |
public Object getProperty(Object bean, String property) { ServletRequestAndContext handle = (ServletRequestAndContext) bean; ServletRequest servletRequest = handle.getServletRequest(); String[] strings = servletRequest.getParameterValues(property); if (strings != null) { if (strings.length == 0) { return null; } if (strings.length == 1) { return strings[0]; } return strings; } Object object = servletRequest.getAttribute(property); if (object != null) { return object; } return super.getProperty(bean, property); }
Example 9
Source File: WebUtils.java From java-technology-stack with MIT License | 6 votes |
/** * Return a map containing all parameters with the given prefix. * Maps single values to String and multiple values to String array. * <p>For example, with a prefix of "spring_", "spring_param1" and * "spring_param2" result in a Map with "param1" and "param2" as keys. * @param request the HTTP request in which to look for parameters * @param prefix the beginning of parameter names * (if this is null or the empty string, all parameters will match) * @return map containing request parameters <b>without the prefix</b>, * containing either a String or a String array as values * @see javax.servlet.ServletRequest#getParameterNames * @see javax.servlet.ServletRequest#getParameterValues * @see javax.servlet.ServletRequest#getParameterMap */ public static Map<String, Object> getParametersStartingWith(ServletRequest request, @Nullable String prefix) { Assert.notNull(request, "Request must not be null"); Enumeration<String> paramNames = request.getParameterNames(); Map<String, Object> params = new TreeMap<>(); if (prefix == null) { prefix = ""; } while (paramNames != null && paramNames.hasMoreElements()) { String paramName = paramNames.nextElement(); if ("".equals(prefix) || paramName.startsWith(prefix)) { String unprefixed = paramName.substring(prefix.length()); String[] values = request.getParameterValues(paramName); if (values == null || values.length == 0) { // Do nothing, no values found at all. } else if (values.length > 1) { params.put(unprefixed, values); } else { params.put(unprefixed, values[0]); } } } return params; }
Example 10
Source File: ServletUtils.java From base-framework with Apache License 2.0 | 6 votes |
/** * 取得带相同前缀的Request Parameters. * * 返回的结果的Parameter名已去除前缀. */ public static Map<String, Object> getParametersStartingWith(ServletRequest request, String prefix) { Assert.notNull(request, "Request must not be null"); Enumeration paramNames = request.getParameterNames(); Map<String, Object> params = new TreeMap<String, Object>(); if (prefix == null) { prefix = ""; } while (paramNames != null && paramNames.hasMoreElements()) { String paramName = (String) paramNames.nextElement(); if ("".equals(prefix) || paramName.startsWith(prefix)) { String unprefixed = paramName.substring(prefix.length()); String[] values = request.getParameterValues(paramName); if (values == null || values.length == 0) { } else if (values.length > 1) { params.put(unprefixed, values); } else { params.put(unprefixed, values[0]); } } } return params; }
Example 11
Source File: ServletUtils.java From datax-web with MIT License | 6 votes |
/** * 取得带相同前缀的Request Parameters, copy from spring WebUtils. * 返回的结果的Parameter名已去除前缀. */ @SuppressWarnings("rawtypes") public static Map<String, Object> getParametersStartingWith(ServletRequest request, String prefix) { Enumeration paramNames = request.getParameterNames(); Map<String, Object> params = new TreeMap<String, Object>(); String pre = prefix; if (pre == null) { pre = ""; } while (paramNames != null && paramNames.hasMoreElements()) { String paramName = (String) paramNames.nextElement(); if ("".equals(pre) || paramName.startsWith(pre)) { String unprefixed = paramName.substring(pre.length()); String[] values = request.getParameterValues(paramName); if (values == null || values.length == 0) { values = new String[]{}; // Do nothing, no values found at all. } else if (values.length > 1) { params.put(unprefixed, values); } else { params.put(unprefixed, values[0]); } } } return params; }
Example 12
Source File: Servlets.java From easyweb with Apache License 2.0 | 5 votes |
/** * 取得带相同前缀的Request Parameters, copy from spring WebUtils. * * 返回的结果的Parameter名已去除前缀. */ @SuppressWarnings("rawtypes") public static Map<String, Object> getParametersStartingWith(ServletRequest request, String prefix) { Validate.notNull(request, "Request must not be null"); Enumeration paramNames = request.getParameterNames(); Map<String, Object> params = new TreeMap<String, Object>(); String pre = prefix; if (pre == null) { pre = ""; } while (paramNames != null && paramNames.hasMoreElements()) { String paramName = (String) paramNames.nextElement(); if ("".equals(pre) || paramName.startsWith(pre)) { String unprefixed = paramName.substring(pre.length()); String[] values = request.getParameterValues(paramName); if (values == null || values.length == 0) { values = new String[]{}; // Do nothing, no values found at all. } else if (values.length > 1) { params.put(unprefixed, values); } else { params.put(unprefixed, values[0]); } } } return params; }
Example 13
Source File: WebUtil.java From hdw-dubbo with Apache License 2.0 | 5 votes |
/** * 取得带相同前缀的Request Parameters, copy from spring WebUtils. * <p> * 返回的结果的Parameter名已去除前缀. */ @SuppressWarnings("rawtypes") public static Map<String, Object> getParametersWith(ServletRequest request, String prefix) { Assert.notNull(request, "Request must not be null"); Enumeration paramNames = request.getParameterNames(); Map<String, Object> params = new TreeMap<String, Object>(); String pre = prefix; if (pre == null) { pre = ""; } while (paramNames != null && paramNames.hasMoreElements()) { String paramName = (String) paramNames.nextElement(); if ("".equals(pre) || paramName.startsWith(pre)) { String unprefixed = paramName.substring(pre.length()); String[] values = request.getParameterValues(paramName); if (values == null || values.length == 0) { values = new String[]{}; // Do nothing, no values found at all. } else if (values.length > 1) { params.put(unprefixed, values); } else { params.put(unprefixed, values[0]); } } } return params; }
Example 14
Source File: Servlets.java From Shop-for-JavaWeb with MIT License | 5 votes |
/** * 取得带相同前缀的Request Parameters, copy from spring WebUtils. * * 返回的结果的Parameter名已去除前缀. */ @SuppressWarnings("rawtypes") public static Map<String, Object> getParametersStartingWith(ServletRequest request, String prefix) { Validate.notNull(request, "Request must not be null"); Enumeration paramNames = request.getParameterNames(); Map<String, Object> params = new TreeMap<String, Object>(); String pre = prefix; if (pre == null) { pre = ""; } while (paramNames != null && paramNames.hasMoreElements()) { String paramName = (String) paramNames.nextElement(); if ("".equals(pre) || paramName.startsWith(pre)) { String unprefixed = paramName.substring(pre.length()); String[] values = request.getParameterValues(paramName); if (values == null || values.length == 0) { values = new String[]{}; // Do nothing, no values found at all. } else if (values.length > 1) { params.put(unprefixed, values); } else { params.put(unprefixed, values[0]); } } } return params; }
Example 15
Source File: ServletUtils.java From frpMgr with MIT License | 5 votes |
/** * 取得带相同前缀的Request Parameters, copy from spring WebUtils. * 返回的结果的Parameter名已去除前缀. */ @SuppressWarnings("rawtypes") public static Map<String, Object> getParametersStartingWith(ServletRequest request, String prefix) { Validate.notNull(request, "Request must not be null"); Enumeration paramNames = request.getParameterNames(); Map<String, Object> params = new TreeMap<String, Object>(); String pre = prefix; if (pre == null) { pre = ""; } while (paramNames != null && paramNames.hasMoreElements()) { String paramName = (String) paramNames.nextElement(); if ("".equals(pre) || paramName.startsWith(pre)) { String unprefixed = paramName.substring(pre.length()); String[] values = request.getParameterValues(paramName); if (values == null || values.length == 0) { values = new String[]{}; // Do nothing, no values found at all. } else if (values.length > 1) { params.put(unprefixed, values); } else { params.put(unprefixed, values[0]); } } } return params; }
Example 16
Source File: JspRuntimeLibrary.java From Tomcat7.0.67 with Apache License 2.0 | 4 votes |
private static void internalIntrospecthelper(Object bean, String prop, String value, ServletRequest request, String param, boolean ignoreMethodNF) throws JasperException { Method method = null; Class<?> type = null; Class<?> propertyEditorClass = null; try { java.beans.BeanInfo info = java.beans.Introspector.getBeanInfo(bean.getClass()); if ( info != null ) { java.beans.PropertyDescriptor pd[] = info.getPropertyDescriptors(); for (int i = 0 ; i < pd.length ; i++) { if ( pd[i].getName().equals(prop) ) { method = pd[i].getWriteMethod(); type = pd[i].getPropertyType(); propertyEditorClass = pd[i].getPropertyEditorClass(); break; } } } if ( method != null ) { if (type.isArray()) { if (request == null) { throw new JasperException( Localizer.getMessage("jsp.error.beans.setproperty.noindexset")); } Class<?> t = type.getComponentType(); String[] values = request.getParameterValues(param); //XXX Please check. if(values == null) return; if(t.equals(String.class)) { method.invoke(bean, new Object[] { values }); } else { createTypedArray (prop, bean, method, values, t, propertyEditorClass); } } else { if(value == null || (param != null && value.equals(""))) return; Object oval = convert(prop, value, type, propertyEditorClass); if ( oval != null ) method.invoke(bean, new Object[] { oval }); } } } catch (Exception ex) { Throwable thr = ExceptionUtils.unwrapInvocationTargetException(ex); ExceptionUtils.handleThrowable(thr); throw new JasperException(ex); } if (!ignoreMethodNF && (method == null)) { if (type == null) { throw new JasperException( Localizer.getMessage("jsp.error.beans.noproperty", prop, bean.getClass().getName())); } else { throw new JasperException( Localizer.getMessage("jsp.error.beans.nomethod.setproperty", prop, type.getName(), bean.getClass().getName())); } } }
Example 17
Source File: AbstractMyrrixServlet.java From myrrix-recommender with Apache License 2.0 | 4 votes |
protected static String[] getRescorerParams(ServletRequest request) { String[] rescorerParams = request.getParameterValues("rescorerParams"); return rescorerParams == null ? NO_PARAMS : rescorerParams; }
Example 18
Source File: JspRuntimeLibrary.java From tomcatsrc with Apache License 2.0 | 4 votes |
public static void introspecthelper(Object bean, String prop, String value, ServletRequest request, String param, boolean ignoreMethodNF) throws JasperException { Method method = null; Class<?> type = null; Class<?> propertyEditorClass = null; try { java.beans.BeanInfo info = java.beans.Introspector.getBeanInfo(bean.getClass()); if ( info != null ) { java.beans.PropertyDescriptor pd[] = info.getPropertyDescriptors(); for (int i = 0 ; i < pd.length ; i++) { if ( pd[i].getName().equals(prop) ) { method = pd[i].getWriteMethod(); type = pd[i].getPropertyType(); propertyEditorClass = pd[i].getPropertyEditorClass(); break; } } } if ( method != null ) { if (type.isArray()) { if (request == null) { throw new JasperException( Localizer.getMessage("jsp.error.beans.setproperty.noindexset")); } Class<?> t = type.getComponentType(); String[] values = request.getParameterValues(param); //XXX Please check. if(values == null) return; if(t.equals(String.class)) { method.invoke(bean, new Object[] { values }); } else { createTypedArray (prop, bean, method, values, t, propertyEditorClass); } } else { if(value == null || (param != null && value.equals(""))) return; Object oval = convert(prop, value, type, propertyEditorClass); if ( oval != null ) method.invoke(bean, new Object[] { oval }); } } } catch (Exception ex) { Throwable thr = ExceptionUtils.unwrapInvocationTargetException(ex); ExceptionUtils.handleThrowable(thr); throw new JasperException(ex); } if (!ignoreMethodNF && (method == null)) { if (type == null) { throw new JasperException( Localizer.getMessage("jsp.error.beans.noproperty", prop, bean.getClass().getName())); } else { throw new JasperException( Localizer.getMessage("jsp.error.beans.nomethod.setproperty", prop, type.getName(), bean.getClass().getName())); } } }
Example 19
Source File: JspRuntimeLibrary.java From packagedrone with Eclipse Public License 1.0 | 4 votes |
private static void internalIntrospecthelper(Object bean, String prop, String value, ServletRequest request, String param, boolean ignoreMethodNF) throws JasperException { Method method = null; Class type = null; Class propertyEditorClass = null; try { java.beans.BeanInfo info = java.beans.Introspector.getBeanInfo(bean.getClass()); if ( info != null ) { java.beans.PropertyDescriptor pd[] = info.getPropertyDescriptors(); for (int i = 0 ; i < pd.length ; i++) { if ( pd[i].getName().equals(prop) ) { method = pd[i].getWriteMethod(); type = pd[i].getPropertyType(); propertyEditorClass = pd[i].getPropertyEditorClass(); break; } } } if ( method != null ) { if (type.isArray()) { if (request == null) { throw new JasperException( Localizer.getMessage("jsp.error.beans.setproperty.noindexset")); } Class t = type.getComponentType(); String[] values = request.getParameterValues(param); //XXX Please check. if(values == null) return; if(t.equals(String.class)) { method.invoke(bean, new Object[] { values }); } else { Object tmpval = null; createTypedArray (prop, bean, method, values, t, propertyEditorClass); } } else { if(value == null || (param != null && value.equals(""))) return; Object oval = convert(prop, value, type, propertyEditorClass); if ( oval != null ) method.invoke(bean, new Object[] { oval }); } } } catch (Exception ex) { throw new JasperException(ex); } if (!ignoreMethodNF && (method == null)) { if (type == null) { throw new JasperException( Localizer.getMessage("jsp.error.beans.noproperty", prop, bean.getClass().getName())); } else { throw new JasperException( Localizer.getMessage("jsp.error.beans.nomethod.setproperty", prop, type.getName(), bean.getClass().getName())); } } }
Example 20
Source File: JspRuntimeLibrary.java From Tomcat8-Source-Read with MIT License | 4 votes |
public static void introspecthelper(Object bean, String prop, String value, ServletRequest request, String param, boolean ignoreMethodNF) throws JasperException { Method method = null; Class<?> type = null; Class<?> propertyEditorClass = null; try { java.beans.BeanInfo info = java.beans.Introspector.getBeanInfo(bean.getClass()); if ( info != null ) { java.beans.PropertyDescriptor pd[] = info.getPropertyDescriptors(); for (int i = 0 ; i < pd.length ; i++) { if ( pd[i].getName().equals(prop) ) { method = pd[i].getWriteMethod(); type = pd[i].getPropertyType(); propertyEditorClass = pd[i].getPropertyEditorClass(); break; } } } if (method != null && type != null) { if (type.isArray()) { if (request == null) { throw new JasperException( Localizer.getMessage("jsp.error.beans.setproperty.noindexset")); } Class<?> t = type.getComponentType(); String[] values = request.getParameterValues(param); //XXX Please check. if(values == null) return; if(t.equals(String.class)) { method.invoke(bean, new Object[] { values }); } else { createTypedArray (prop, bean, method, values, t, propertyEditorClass); } } else { if(value == null || (param != null && value.equals(""))) return; Object oval = convert(prop, value, type, propertyEditorClass); if ( oval != null ) method.invoke(bean, new Object[] { oval }); } } } catch (Exception ex) { Throwable thr = ExceptionUtils.unwrapInvocationTargetException(ex); ExceptionUtils.handleThrowable(thr); throw new JasperException(ex); } if (!ignoreMethodNF && (method == null)) { if (type == null) { throw new JasperException( Localizer.getMessage("jsp.error.beans.noproperty", prop, bean.getClass().getName())); } else { throw new JasperException( Localizer.getMessage("jsp.error.beans.nomethod.setproperty", prop, type.getName(), bean.getClass().getName())); } } }