Examples of org.apache.http.NameValuePair

org.apache.http.NameValuePair
3.org/Protocols/rfc2616/rfc2616-sec2.html#sec2.2">Section 2.2 and Section 3.6 of RFC 2616
2.2 Basic Rules
The following rules are used throughout this specification to describe basic parsing constructs. The US-ASCII coded character set is defined by ANSI X3.4-1986.
```
 OCTET          =  CHAR           =  UPALPHA        =  LOALPHA        =  ALPHA          = UPALPHA | LOALPHA DIGIT          =  CTL            =  CR             =  LF             =  SP             =  HT             =  <">            =  
```
Many HTTP/1.1 header field values consist of words separated by LWS or special characters. These special characters MUST be in a quoted string to be used within a parameter value (as defined in section 3.6).
```
 token          = 1* separators     = "(" | ")" | "<" | ">" | "@" | "," | ";" | ":" | "\" | <"> | "/" | "[" | "]" | "?" | "=" | "{" | "}" | SP | HT 
```
A string of text is parsed as a single word if it is quoted using double-quote marks.
```
 quoted-string  = ( <"> *(qdtext | quoted-pair ) <"> ) qdtext         = > 
```
The backslash character ("\") MAY be used as a single-character quoting mechanism only within quoted-string and comment constructs.
```
 quoted-pair    = "\" CHAR 
```
3.6 Transfer Codings
Parameters are in the form of attribute/value pairs.
```
 parameter               = attribute "=" value attribute               = token value                   = token | quoted-string 
```
@author Oleg Kalnichevski

        assertEquals("name1", param2.toString());
    }
    
    public void testParse() {
        String s = "test";
        NameValuePair param = BasicNameValuePair.parse(s);
        assertEquals("test", param.getName());
        assertEquals(null, param.getValue());


        s = "test=stuff";
        param = BasicNameValuePair.parse(s);
        assertEquals("test", param.getName());
        assertEquals("stuff", param.getValue());
        
        s = "   test  =   stuff ";
        param = BasicNameValuePair.parse(s);
        assertEquals("test", param.getName());
        assertEquals("stuff", param.getValue());
        
        s = "test  = \"stuff\"";
        param = BasicNameValuePair.parse(s);
        assertEquals("test", param.getName());
        assertEquals("stuff", param.getValue());
        
        s = "test  = \"  stuff\\\"\"";
        param = BasicNameValuePair.parse(s);
        assertEquals("test", param.getName());
        assertEquals("  stuff\\\"", param.getValue());
        
        s = "  test";
        param = BasicNameValuePair.parse(s);
        assertEquals("test", param.getName());
        assertEquals(null, param.getValue());


        s = "  ";
        param = BasicNameValuePair.parse(s);
        assertEquals("", param.getName());
        assertEquals(null, param.getValue());


        s = " = stuff ";
        param = BasicNameValuePair.parse(s);
        assertEquals("", param.getName());
        assertEquals("stuff", param.getValue());
    }

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            // expected
        }
    }


    public void testBasicFormatting() throws Exception {
        NameValuePair param1 = new BasicNameValuePair("param", "regular_stuff"); 
        NameValuePair param2 = new BasicNameValuePair("param", "this\\that"); 
        NameValuePair param3 = new BasicNameValuePair("param", "this,that"); 
        NameValuePair param4 = new BasicNameValuePair("param", "quote marks (\") must be escaped"); 
        NameValuePair param5 = new BasicNameValuePair("param", "back slash (\\) must be escaped too"); 
        NameValuePair param6 = new BasicNameValuePair("param", "values with\tblanks must always be quoted"); 
        NameValuePair param7 = new BasicNameValuePair("param", null); 
        
        assertEquals("param=regular_stuff", BasicNameValuePair.format(param1, false));
        assertEquals("param=\"this\\\\that\"", BasicNameValuePair.format(param2, false));
        assertEquals("param=\"this,that\"", BasicNameValuePair.format(param3, false));
        assertEquals("param=\"quote marks (\\\") must be escaped\"", BasicNameValuePair.format(param4, false));

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        assertEquals("param=\"values with\tblanks must always be quoted\"", BasicNameValuePair.format(param6, true));
        assertEquals("param", BasicNameValuePair.format(param7, false));
    }


    public void testArrayFormatting() throws Exception {
        NameValuePair param1 = new BasicNameValuePair("param", "regular_stuff"); 
        NameValuePair param2 = new BasicNameValuePair("param", "this\\that"); 
        NameValuePair param3 = new BasicNameValuePair("param", "this,that");
        NameValuePair[] params = new NameValuePair[] {param1, param2, param3}; 
        assertEquals("param=regular_stuff; param=\"this\\\\that\"; param=\"this,that\"", 
                BasicNameValuePair.formatAll(params, false));
        assertEquals("param=\"regular_stuff\"; param=\"this\\\\that\"; param=\"this,that\"", 
                BasicNameValuePair.formatAll(params, true));

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        assertNotNull(elems);
        assertEquals(1, elems.length);


        HeaderElement elem = elems[0];
        assertEquals("multipart/form-data", elem.getName());
        NameValuePair p1 = elem.getParameterByName("boundary");
        assertNotNull(p1);
        assertEquals("whatever", p1.getValue());
        NameValuePair p2 = elem.getParameterByName("charset");
        assertNotNull(p2);
        assertEquals("UTF-8", p2.getValue());
    }

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        assertNotNull(elems);
        assertEquals(1, elems.length);


        HeaderElement elem = elems[0];
        assertEquals("multipart/form-data", elem.getName());
        NameValuePair p1 = elem.getParameterByName("boundary");
        assertNotNull(p1);


        String boundary = p1.getValue();
        assertNotNull(boundary);


        assertTrue(boundary.length() >= 30);
        assertTrue(boundary.length() <= 40);


        NameValuePair p2 = elem.getParameterByName("charset");
        assertNull(p2);
    }

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            cookie.setDomain(getDefaultDomain(origin));


            // cycle through the parameters
            NameValuePair[] attribs = headerelement.getParameters();
            for (int j = attribs.length - 1; j >= 0; j--) {
                NameValuePair attrib = attribs[j];
                String s = attrib.getName().toLowerCase(Locale.ENGLISH);


                cookie.setAttribute(s, attrib.getValue());


                CookieAttributeHandler handler = findAttribHandler(s);
                if (handler != null) {
                    handler.parse(cookie, attrib.getValue());
                }
            }
            cookies.add(cookie);
        }
        return cookies;

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            throw new IllegalArgumentException("Char array buffer may not be null");
        }
        if (cursor == null) {
            throw new IllegalArgumentException("Parser cursor may not be null");
        }
        NameValuePair nvp = this.nvpParser.parseNameValuePair(buffer, cursor, DELIMITERS);
        List<NameValuePair> params = new ArrayList<NameValuePair>(); 
        while (!cursor.atEnd()) {
            NameValuePair param = this.nvpParser.parseNameValuePair(buffer, cursor, DELIMITERS);
            params.add(param);
        }
        return new BasicHeaderElement(
                nvp.getName(), 
                nvp.getValue(), params.toArray(new NameValuePair[params.size()]));

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            // Eliminate duplicate attributes. The first occurrence takes precedence
            // See RFC2965: 3.2  Origin Server Role
            Map<String, NameValuePair> attribmap =
                    new HashMap<String, NameValuePair>(attribs.length);
            for (int j = attribs.length - 1; j >= 0; j--) {
                NameValuePair param = attribs[j];
                attribmap.put(param.getName().toLowerCase(Locale.ENGLISH), param);
            }
            for (Map.Entry<String, NameValuePair> entry : attribmap.entrySet()) {
                NameValuePair attrib = entry.getValue();
                String s = attrib.getName().toLowerCase(Locale.ENGLISH);


                cookie.setAttribute(s, attrib.getValue());


                CookieAttributeHandler handler = findAttribHandler(s);
                if (handler != null) {
                    handler.parse(cookie, attrib.getValue());
                }
            }
            cookies.add(cookie);
        }
        return cookies;

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        Args.notNull(entity, "Entity");
        String charset = null;
        if (entity.getContentType() != null) {
            final HeaderElement values[] = entity.getContentType().getElements();
            if (values.length > 0) {
                final NameValuePair param = values[0].getParameterByName("charset");
                if (param != null) {
                    charset = param.getValue();
                }
            }
        }
        return charset;
    }

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                if (crHdr == null) {
                    Assert.assertNotNull(ctHdr);
                    boolean foundMultipartByteRanges = false;
                    for (HeaderElement elt : ctHdr.getElements()) {
                        if ("multipart/byteranges".equalsIgnoreCase(elt.getName())) {
                            NameValuePair param = elt.getParameterByName("boundary");
                            Assert.assertNotNull(param);
                            String boundary = param.getValue();
                            Assert.assertNotNull(boundary);
                            // perhaps eventually should parse out the
                            // request body to check proper formatting
                            // but that might be excessive; HttpClient
                            // developers have indicated that

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