Example usage for javax.servlet ServletRequest getParameterNames

List of usage examples for javax.servlet ServletRequest getParameterNames

  1. HOME
  2. Java
  3. javax
  4. javax.servlet.*
  5. ServletRequest
  6. getParameterNames

Introduction

In this page you can find the example usage for javax.servlet ServletRequest getParameterNames.

Prototype

public Enumeration<String> getParameterNames();

Source Link

Document

Returns an Enumeration of String objects containing the names of the parameters contained in this request.

Usage

From source file:org.yes.cart.web.support.util.HttpUtil.java

private static void dumpParamsAndAttrs(final ServletRequest req, final StringBuilder stringBuilder) {
    final Enumeration parameterNames = req.getParameterNames();
    while (parameterNames.hasMoreElements()) {
        final String key = (String) parameterNames.nextElement();
        stringBuilder.append(MessageFormat.format("\nParameter {0}={1}", key, req.getParameter(key)));
    }//  w  ww .j  a v a 2  s.  com
    Enumeration attributeNames = req.getAttributeNames();
    while (attributeNames.hasMoreElements()) {
        final String key = (String) attributeNames.nextElement();
        stringBuilder.append(MessageFormat.format("\nAttribute {0}={1}", key, req.getAttribute(key)));
    }
}

From source file:com.hysd.util.ServletUtils.java

/**
 * ???Request Parameters.//from ww  w.  j  a  v a  2s  .  co m
 * 
 * Parameter???.
 */

@SuppressWarnings("rawtypes")
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) {
                // Do nothing, no values found at all.
            } else if (values.length > 1) {
                params.put(unprefixed, values);
            } else {
                params.put(unprefixed, values[0]);
            }
        }
    }
    return params;
}

From source file:com.gc.core.framework.utils.web.ServletUtils.java

/**
 * ???Request Parameters./*from   w  w w .  j a va  2  s  .  c  o m*/
 * 
 * Parameter???.
 */
@SuppressWarnings("unchecked")
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) {
                // Do nothing, no values found at all.
            } else if (values.length > 1) {
                params.put(unprefixed, values);
            } else {
                params.put(unprefixed, values[0]);
            }
        }
    }
    return params;
}

From source file:com.ejushang.steward.common.util.Servlets.java

/**
 * ???Request Parameters, copy from spring WebUtils.
 * //  w w  w .j  a va2  s . c  o  m
 * Parameter???.
 */
public static Map<String, String[]> getParametersStartingWith(ServletRequest request, String prefix) {
    Validate.notNull(request, "Request must not be null");
    Enumeration paramNames = request.getParameterNames();
    Map<String, String[]> params = new TreeMap<String, String[]>();
    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) {
                params.put(unprefixed, new String[0]);
            } else {
                params.put(unprefixed, values);
            }
        }
    }
    return params;
}

From source file:com.weixin.core.util.ServletUtils.java

/**
 * ???Request Parameters./*from w w w.j a v a 2  s  . com*/
 * 
 * Parameter???.
 */
@SuppressWarnings("unchecked")
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>();
    Map<String, Object> param = new HashMap<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);
                param.put(paramName, values);
            } else {
                params.put(unprefixed, values[0]);
                param.put(paramName, values[0]);
            }
        }
    }
    request.setAttribute("param", param);
    return params;
}

From source file:com.dosport.system.utils.ServletUtils.java

/**
 * ???Request Parameters./*ww  w  . j a  va2 s  .c om*/
 * 
 * Parameter???.
 */
@SuppressWarnings("rawtypes")
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) {
                // Do nothing, no values found at all.
            } else if (values.length > 1) {
                params.put(unprefixed, values);
            } else {
                params.put(unprefixed, values[0]);
            }
        }
    }
    return params;
}

From source file:com.easyframework.common.utils.web.ServletUtils.java

/**
 * ???Request Parameters.//from  ww w.  java  2s .  co  m
 * 
 * Parameter???.
 */
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) {
                // Do nothing, no values found at all.
            } else if (values.length > 1) {
                params.put(unprefixed, values);
            } else {
                params.put(unprefixed, values[0]);
            }
        }
    }
    return params;
}

From source file:indi.edrik.utils.ServletUtils.java

/**
 * ???Request Parameters.//  w  ww .  ja  va  2  s  .  c om
 * 
 * Parameter???.
 */

@SuppressWarnings("rawtypes")
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) {
                // Do nothing, no values found at all.
            } else if (values.length > 1) {
                params.put(unprefixed, values);
            } else {
                params.put(unprefixed, values[0]);
            }
        }
    }
    return params;
}

From source file:com.personal.tools.Servlets.java

/**
 * ???Request Parameters, copy from spring WebUtils.
 * <p>//from  w w  w.  j ava2 s. co m
 * Parameter???.
 */
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<>();
    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;
}

From source file:cn.ligoo.part.util.Servlets.java

/**
 * ???Request Parameters, copy from spring WebUtils.
 * //from w ww  .  j  av  a2s.c o  m
 * Parameter???.
 */
@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>();
    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;
}