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package org.webmacro.servlet; |
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import java.util.Enumeration; |
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import javax.servlet.http.HttpServletRequest; |
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import org.webmacro.UnsettableException; |
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import org.webmacro.util.Bag; |
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final public class Form implements Bag |
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{ |
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final HttpServletRequest _request; |
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Form(final HttpServletRequest r) |
52 | 1040 | { |
53 | 1040 | _request = r; |
54 | 1040 | } |
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final public Object get(String field) |
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{ |
61 | 6096 | String[] values = _request.getParameterValues(field); |
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try |
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{ |
64 | 6096 | return values[0]; |
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} |
66 | 5194 | catch (NullPointerException ne) |
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{ |
68 | 5194 | return null; |
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} |
70 | 0 | catch (ArrayIndexOutOfBoundsException e) |
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{ |
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73 | 0 | return null; |
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} |
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} |
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final public Object getPossibleForm(String strKey) |
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{ |
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String strElement; |
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Object obValue; |
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Enumeration obEnumeration; |
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94 | 0 | obValue = get(strKey); |
95 | 0 | if (obValue == null) |
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{ |
97 | 0 | obEnumeration = _request.getParameterNames(); |
98 | 0 | while (obEnumeration.hasMoreElements()) |
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{ |
100 | 0 | strElement = obEnumeration.nextElement().toString(); |
101 | 0 | if (strElement.equalsIgnoreCase(strKey)) |
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{ |
103 | 0 | obValue = get(strElement); |
104 | 0 | break; |
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} |
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} |
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} |
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109 | 0 | return obValue; |
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} |
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final public Object[] getList(String field) |
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{ |
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try |
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{ |
120 | 0 | return _request.getParameterValues(field); |
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} |
122 | 0 | catch (NullPointerException ne) |
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{ |
124 | 0 | return null; |
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} |
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} |
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final public void put(String key, Object value) |
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throws UnsettableException |
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{ |
134 | 0 | throw new UnsettableException("Cannot set a form property"); |
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} |
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final public void remove (String key) |
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throws UnsettableException |
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{ |
144 | 0 | throw new UnsettableException("Cannot unset a form property"); |
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} |
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final public String toString () |
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{ |
152 | 0 | StringBuffer sb = new StringBuffer(); |
153 | 0 | String eol = java.lang.System.getProperty("line.separator"); |
154 | 0 | for (Enumeration params = _request.getParameterNames(); params.hasMoreElements(); ) |
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{ |
156 | 0 | String key = (String) params.nextElement(); |
157 | 0 | String[] value = _request.getParameterValues(key); |
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159 | 0 | for (int x = 0; value != null && x < value.length; x++) |
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{ |
161 | 0 | sb.append(key).append("=").append(value[x]).append(eol); |
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} |
163 | 0 | } |
164 | 0 | return sb.toString(); |
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} |
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} |
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