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package org.apache.myfaces.context.servlet; |
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import java.util.Enumeration; |
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import java.util.Map; |
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import java.util.NoSuchElementException; |
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import javax.servlet.http.Cookie; |
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import javax.servlet.http.HttpServletRequest; |
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import org.apache.myfaces.util.AbstractAttributeMap; |
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public final class CookieMap extends AbstractAttributeMap<Object> |
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{ |
39 | 0 | private static final Cookie[] EMPTY_ARRAY = new Cookie[0]; |
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private final HttpServletRequest _httpServletRequest; |
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CookieMap(final HttpServletRequest httpServletRequest) |
44 | 0 | { |
45 | 0 | _httpServletRequest = httpServletRequest; |
46 | 0 | } |
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@Override |
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public void clear() |
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{ |
51 | 0 | throw new UnsupportedOperationException( |
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"Cannot clear HttpRequest Cookies"); |
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} |
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@Override |
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public boolean containsValue(final Object findValue) |
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{ |
58 | 0 | if (findValue == null) |
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{ |
60 | 0 | return false; |
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} |
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|
63 | 0 | final Cookie[] cookies = _httpServletRequest.getCookies(); |
64 | 0 | if (cookies == null) |
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{ |
66 | 0 | return false; |
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} |
68 | 0 | for (int i = 0, len = cookies.length; i < len; i++) |
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{ |
70 | 0 | if (findValue.equals(cookies[i])) |
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{ |
72 | 0 | return true; |
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} |
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} |
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|
76 | 0 | return false; |
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} |
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@Override |
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public boolean isEmpty() |
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{ |
82 | 0 | final Cookie[] cookies = _httpServletRequest.getCookies(); |
83 | 0 | return cookies == null || cookies.length == 0; |
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} |
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@Override |
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public int size() |
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{ |
89 | 0 | final Cookie[] cookies = _httpServletRequest.getCookies(); |
90 | 0 | return cookies == null ? 0 : cookies.length; |
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} |
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@Override |
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public void putAll(final Map<? extends String, ? extends Object> t) |
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{ |
96 | 0 | throw new UnsupportedOperationException(); |
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} |
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@Override |
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protected Object getAttribute(final String key) |
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{ |
102 | 0 | final Cookie[] cookies = _httpServletRequest.getCookies(); |
103 | 0 | if (cookies == null) |
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{ |
105 | 0 | return null; |
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} |
107 | 0 | for (int i = 0, len = cookies.length; i < len; i++) |
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{ |
109 | 0 | if (cookies[i] != null && cookies[i].getName().equals(key)) |
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{ |
111 | 0 | return cookies[i]; |
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} |
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} |
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115 | 0 | return null; |
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} |
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@Override |
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protected void setAttribute(final String key, final Object value) |
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{ |
121 | 0 | throw new UnsupportedOperationException( |
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"Cannot set HttpRequest Cookies"); |
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} |
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@Override |
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protected void removeAttribute(final String key) |
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{ |
128 | 0 | throw new UnsupportedOperationException( |
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"Cannot remove HttpRequest Cookies"); |
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} |
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@Override |
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protected Enumeration<String> getAttributeNames() |
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{ |
135 | 0 | final Cookie[] cookies = _httpServletRequest.getCookies(); |
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137 | 0 | return cookies == null ? new CookieNameEnumeration(EMPTY_ARRAY) : new CookieNameEnumeration(cookies); |
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} |
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141 | 0 | private static class CookieNameEnumeration implements Enumeration<String> |
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{ |
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private final Cookie[] _cookies; |
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private final int _length; |
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private int _index; |
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public CookieNameEnumeration(final Cookie[] cookies) |
148 | 0 | { |
149 | 0 | _cookies = cookies; |
150 | 0 | _length = cookies.length; |
151 | 0 | } |
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public boolean hasMoreElements() |
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{ |
155 | 0 | return _index < _length; |
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} |
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public String nextElement() |
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{ |
160 | 0 | if (!hasMoreElements()) |
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{ |
162 | 0 | throw new NoSuchElementException(); |
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} |
164 | 0 | return _cookies[_index++].getName(); |
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} |
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} |
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} |