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| package org.apache.tapestry.util; |
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| import java.util.HashMap; |
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| import java.util.Map; |
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| import java.util.Set; |
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| import java.util.StringTokenizer; |
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| import org.apache.hivemind.util.Defense; |
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| public class ContentType |
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| { |
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| private String _baseType = ""; |
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| private String _subType = ""; |
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| private final Map _parameters = new HashMap(); |
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| public ContentType()
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| { |
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| } |
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| public ContentType(String contentType)
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| { |
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| this();
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| parse(contentType);
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| } |
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| public boolean equals(Object o)
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| { |
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| if (o == null)
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| return false;
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| if (o.getClass() != this.getClass())
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| return false;
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| ContentType ct = (ContentType) o;
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| return _baseType.equals(ct._baseType) && _subType.equals(ct._subType)
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| && _parameters.equals(ct._parameters); |
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| } |
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| public String getBaseType()
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| { |
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| return _baseType;
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| } |
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| public void setBaseType(String baseType)
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| { |
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| Defense.notNull(baseType, "baseType");
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| _baseType = baseType;
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| } |
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| public String getSubType()
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| { |
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| return _subType;
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| } |
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| public void setSubType(String subType)
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| { |
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| Defense.notNull(subType, "subType");
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| _subType = subType;
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| } |
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| public String getMimeType()
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| { |
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| return _baseType + "/" + _subType;
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| } |
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| public String[] getParameterNames()
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| { |
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| Set parameterNames = _parameters.keySet();
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| return (String[]) parameterNames.toArray(new String[parameterNames.size()]);
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| } |
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| public String getParameter(String key)
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| { |
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| Defense.notNull(key, "key");
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| return (String) _parameters.get(key);
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| } |
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| public void setParameter(String key, String value)
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| { |
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| Defense.notNull(key, "key");
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| Defense.notNull(value, "value");
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| _parameters.put(key.toLowerCase(), value);
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| } |
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| public void parse(String contentType)
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| { |
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| _baseType = "";
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| _subType = "";
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| _parameters.clear();
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| StringTokenizer tokens = new StringTokenizer(contentType, ";");
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| if (!tokens.hasMoreTokens())
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| return;
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| String mimeType = tokens.nextToken();
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| StringTokenizer mimeTokens = new StringTokenizer(mimeType, "/");
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| setBaseType(mimeTokens.hasMoreTokens() ? mimeTokens.nextToken() : "");
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| setSubType(mimeTokens.hasMoreTokens() ? mimeTokens.nextToken() : "");
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| while (tokens.hasMoreTokens())
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| { |
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| String parameter = tokens.nextToken();
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| StringTokenizer parameterTokens = new StringTokenizer(parameter, "=");
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| String key = parameterTokens.hasMoreTokens() ? parameterTokens.nextToken() : "";
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| String value = parameterTokens.hasMoreTokens() ? parameterTokens.nextToken() : "";
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| setParameter(key, value);
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| } |
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| } |
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| public String unparse()
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| { |
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| StringBuffer buf = new StringBuffer(getMimeType());
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| String[] parameterNames = getParameterNames();
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| for (int i = 0; i < parameterNames.length; i++)
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| { |
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| String key = parameterNames[i];
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| String value = getParameter(key);
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| buf.append(";" + key + "=" + value);
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| } |
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| return buf.toString();
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| } |
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| public String toString()
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| { |
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| return unparse();
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| } |
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| } |