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Diffstat (limited to 'src/org/apache/http/message/BasicHeaderElementIterator.java')
| -rw-r--r-- | src/org/apache/http/message/BasicHeaderElementIterator.java | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/src/org/apache/http/message/BasicHeaderElementIterator.java b/src/org/apache/http/message/BasicHeaderElementIterator.java deleted file mode 100644 index 46f53a8..0000000 --- a/src/org/apache/http/message/BasicHeaderElementIterator.java +++ /dev/null @@ -1,161 +0,0 @@ -/* - * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/message/BasicHeaderElementIterator.java $ - * $Revision: 592088 $ - * $Date: 2007-11-05 09:03:39 -0800 (Mon, 05 Nov 2007) $ - * - * ==================================================================== - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - * ==================================================================== - * - * This software consists of voluntary contributions made by many - * individuals on behalf of the Apache Software Foundation. For more - * information on the Apache Software Foundation, please see - * <http://www.apache.org/>. - * - */ - -package org.apache.http.message; - -import java.util.NoSuchElementException; - -import org.apache.http.FormattedHeader; -import org.apache.http.Header; -import org.apache.http.HeaderElement; -import org.apache.http.HeaderElementIterator; -import org.apache.http.HeaderIterator; -import org.apache.http.util.CharArrayBuffer; - -/** - * Basic implementation of a {@link HeaderElementIterator}. - * - * @version $Revision: 592088 $ - * - * @author Andrea Selva <selva.andre at gmail.com> - * @author Oleg Kalnichevski <oleg at ural.ru> - */ -public class BasicHeaderElementIterator implements HeaderElementIterator { - - private final HeaderIterator headerIt; - private final HeaderValueParser parser; - - private HeaderElement currentElement = null; - private CharArrayBuffer buffer = null; - private ParserCursor cursor = null; - - /** - * Creates a new instance of BasicHeaderElementIterator - */ - public BasicHeaderElementIterator( - final HeaderIterator headerIterator, - final HeaderValueParser parser) { - if (headerIterator == null) { - throw new IllegalArgumentException("Header iterator may not be null"); - } - if (parser == null) { - throw new IllegalArgumentException("Parser may not be null"); - } - this.headerIt = headerIterator; - this.parser = parser; - } - - - public BasicHeaderElementIterator(final HeaderIterator headerIterator) { - this(headerIterator, BasicHeaderValueParser.DEFAULT); - } - - - private void bufferHeaderValue() { - this.cursor = null; - this.buffer = null; - while (this.headerIt.hasNext()) { - Header h = this.headerIt.nextHeader(); - if (h instanceof FormattedHeader) { - this.buffer = ((FormattedHeader) h).getBuffer(); - this.cursor = new ParserCursor(0, this.buffer.length()); - this.cursor.updatePos(((FormattedHeader) h).getValuePos()); - break; - } else { - String value = h.getValue(); - if (value != null) { - this.buffer = new CharArrayBuffer(value.length()); - this.buffer.append(value); - this.cursor = new ParserCursor(0, this.buffer.length()); - break; - } - } - } - } - - private void parseNextElement() { - // loop while there are headers left to parse - while (this.headerIt.hasNext() || this.cursor != null) { - if (this.cursor == null || this.cursor.atEnd()) { - // get next header value - bufferHeaderValue(); - } - // Anything buffered? - if (this.cursor != null) { - // loop while there is data in the buffer - while (!this.cursor.atEnd()) { - HeaderElement e = this.parser.parseHeaderElement(this.buffer, this.cursor); - if (!(e.getName().length() == 0 && e.getValue() == null)) { - // Found something - this.currentElement = e; - return; - } - } - // if at the end of the buffer - if (this.cursor.atEnd()) { - // discard it - this.cursor = null; - this.buffer = null; - } - } - } - } - - public boolean hasNext() { - if (this.currentElement == null) { - parseNextElement(); - } - return this.currentElement != null; - } - - public HeaderElement nextElement() throws NoSuchElementException { - if (this.currentElement == null) { - parseNextElement(); - } - - if (this.currentElement == null) { - throw new NoSuchElementException("No more header elements available"); - } - - HeaderElement element = this.currentElement; - this.currentElement = null; - return element; - } - - public final Object next() throws NoSuchElementException { - return nextElement(); - } - - public void remove() throws UnsupportedOperationException { - throw new UnsupportedOperationException("Remove not supported"); - } - -}
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