--- a/src/java.net.http/share/classes/java/net/http/internal/HeaderParser.java Wed Feb 07 15:46:30 2018 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,252 +0,0 @@
-/*
- * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation. Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package java.net.http.internal;
-
-import java.util.Iterator;
-import java.util.Locale;
-import java.util.NoSuchElementException;
-
-/* This is useful for the nightmare of parsing multi-part HTTP/RFC822 headers
- * sensibly:
- * From a String like: 'timeout=15, max=5'
- * create an array of Strings:
- * { {"timeout", "15"},
- * {"max", "5"}
- * }
- * From one like: 'Basic Realm="FuzzFace" Foo="Biz Bar Baz"'
- * create one like (no quotes in literal):
- * { {"basic", null},
- * {"realm", "FuzzFace"}
- * {"foo", "Biz Bar Baz"}
- * }
- * keys are converted to lower case, vals are left as is....
- */
-class HeaderParser {
-
- /* table of key/val pairs */
- String raw;
- String[][] tab;
- int nkeys;
- int asize = 10; // initial size of array is 10
-
- public HeaderParser(String raw) {
- this.raw = raw;
- tab = new String[asize][2];
- parse();
- }
-
-// private HeaderParser () { }
-
-// /**
-// * Creates a new HeaderParser from this, whose keys (and corresponding
-// * values) range from "start" to "end-1"
-// */
-// public HeaderParser subsequence(int start, int end) {
-// if (start == 0 && end == nkeys) {
-// return this;
-// }
-// if (start < 0 || start >= end || end > nkeys) {
-// throw new IllegalArgumentException("invalid start or end");
-// }
-// HeaderParser n = new HeaderParser();
-// n.tab = new String [asize][2];
-// n.asize = asize;
-// System.arraycopy (tab, start, n.tab, 0, (end-start));
-// n.nkeys= (end-start);
-// return n;
-// }
-
- private void parse() {
-
- if (raw != null) {
- raw = raw.trim();
- char[] ca = raw.toCharArray();
- int beg = 0, end = 0, i = 0;
- boolean inKey = true;
- boolean inQuote = false;
- int len = ca.length;
- while (end < len) {
- char c = ca[end];
- if ((c == '=') && !inQuote) { // end of a key
- tab[i][0] = new String(ca, beg, end-beg).toLowerCase(Locale.US);
- inKey = false;
- end++;
- beg = end;
- } else if (c == '\"') {
- if (inQuote) {
- tab[i++][1]= new String(ca, beg, end-beg);
- inQuote=false;
- do {
- end++;
- } while (end < len && (ca[end] == ' ' || ca[end] == ','));
- inKey=true;
- beg=end;
- } else {
- inQuote=true;
- end++;
- beg=end;
- }
- } else if (c == ' ' || c == ',') { // end key/val, of whatever we're in
- if (inQuote) {
- end++;
- continue;
- } else if (inKey) {
- tab[i++][0] = (new String(ca, beg, end-beg)).toLowerCase(Locale.US);
- } else {
- tab[i++][1] = (new String(ca, beg, end-beg));
- }
- while (end < len && (ca[end] == ' ' || ca[end] == ',')) {
- end++;
- }
- inKey = true;
- beg = end;
- } else {
- end++;
- }
- if (i == asize) {
- asize = asize * 2;
- String[][] ntab = new String[asize][2];
- System.arraycopy (tab, 0, ntab, 0, tab.length);
- tab = ntab;
- }
- }
- // get last key/val, if any
- if (--end > beg) {
- if (!inKey) {
- if (ca[end] == '\"') {
- tab[i++][1] = (new String(ca, beg, end-beg));
- } else {
- tab[i++][1] = (new String(ca, beg, end-beg+1));
- }
- } else {
- tab[i++][0] = (new String(ca, beg, end-beg+1)).toLowerCase();
- }
- } else if (end == beg) {
- if (!inKey) {
- if (ca[end] == '\"') {
- tab[i++][1] = String.valueOf(ca[end-1]);
- } else {
- tab[i++][1] = String.valueOf(ca[end]);
- }
- } else {
- tab[i++][0] = String.valueOf(ca[end]).toLowerCase();
- }
- }
- nkeys=i;
- }
- }
-
- public String findKey(int i) {
- if (i < 0 || i > asize) {
- return null;
- }
- return tab[i][0];
- }
-
- public String findValue(int i) {
- if (i < 0 || i > asize) {
- return null;
- }
- return tab[i][1];
- }
-
- public String findValue(String key) {
- return findValue(key, null);
- }
-
- public String findValue(String k, String Default) {
- if (k == null) {
- return Default;
- }
- k = k.toLowerCase(Locale.US);
- for (int i = 0; i < asize; ++i) {
- if (tab[i][0] == null) {
- return Default;
- } else if (k.equals(tab[i][0])) {
- return tab[i][1];
- }
- }
- return Default;
- }
-
- class ParserIterator implements Iterator<String> {
- int index;
- boolean returnsValue; // or key
-
- ParserIterator (boolean returnValue) {
- returnsValue = returnValue;
- }
- @Override
- public boolean hasNext () {
- return index<nkeys;
- }
- @Override
- public String next () {
- if (index >= nkeys) {
- throw new NoSuchElementException();
- }
- return tab[index++][returnsValue?1:0];
- }
- }
-
- public Iterator<String> keys () {
- return new ParserIterator (false);
- }
-
-// public Iterator<String> values () {
-// return new ParserIterator (true);
-// }
-
- @Override
- public String toString () {
- Iterator<String> k = keys();
- StringBuilder sb = new StringBuilder();
- sb.append("{size=").append(asize).append(" nkeys=").append(nkeys)
- .append(' ');
- for (int i=0; k.hasNext(); i++) {
- String key = k.next();
- String val = findValue (i);
- if (val != null && "".equals (val)) {
- val = null;
- }
- sb.append(" {").append(key).append(val == null ? "" : "," + val)
- .append('}');
- if (k.hasNext()) {
- sb.append (',');
- }
- }
- sb.append (" }");
- return sb.toString();
- }
-
-// public int findInt(String k, int Default) {
-// try {
-// return Integer.parseInt(findValue(k, String.valueOf(Default)));
-// } catch (Throwable t) {
-// return Default;
-// }
-// }
-}