pt 1 in reviving the android build (copied from pm 28a1, wish me luck)

mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/cookie/BestMatchSpec.java

@@ -0,0 +1,207 @@
+/*
+ * ====================================================================
+ * 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 ch.boye.httpclientandroidlib.impl.cookie;
+
+import java.util.List;
+
+import ch.boye.httpclientandroidlib.FormattedHeader;
+import ch.boye.httpclientandroidlib.Header;
+import ch.boye.httpclientandroidlib.HeaderElement;
+import ch.boye.httpclientandroidlib.annotation.NotThreadSafe;
+import ch.boye.httpclientandroidlib.cookie.Cookie;
+import ch.boye.httpclientandroidlib.cookie.CookieOrigin;
+import ch.boye.httpclientandroidlib.cookie.CookieSpec;
+import ch.boye.httpclientandroidlib.cookie.MalformedCookieException;
+import ch.boye.httpclientandroidlib.cookie.SM;
+import ch.boye.httpclientandroidlib.cookie.SetCookie2;
+import ch.boye.httpclientandroidlib.message.ParserCursor;
+import ch.boye.httpclientandroidlib.util.Args;
+import ch.boye.httpclientandroidlib.util.CharArrayBuffer;
+
+/**
+ * 'Meta' cookie specification that picks up a cookie policy based on
+ * the format of cookies sent with the HTTP response.
+ *
+ * @since 4.0
+ */
+@NotThreadSafe // CookieSpec fields are @NotThreadSafe
+public class BestMatchSpec implements CookieSpec {
+
+    private final String[] datepatterns;
+    private final boolean oneHeader;
+
+    // Cached values of CookieSpec instances
+    private RFC2965Spec strict; // @NotThreadSafe
+    private RFC2109Spec obsoleteStrict; // @NotThreadSafe
+    private BrowserCompatSpec compat; // @NotThreadSafe
+
+    public BestMatchSpec(final String[] datepatterns, final boolean oneHeader) {
+        super();
+        this.datepatterns = datepatterns == null ? null : datepatterns.clone();
+        this.oneHeader = oneHeader;
+    }
+
+    public BestMatchSpec() {
+        this(null, false);
+    }
+
+    private RFC2965Spec getStrict() {
+        if (this.strict == null) {
+             this.strict = new RFC2965Spec(this.datepatterns, this.oneHeader);
+        }
+        return strict;
+    }
+
+    private RFC2109Spec getObsoleteStrict() {
+        if (this.obsoleteStrict == null) {
+             this.obsoleteStrict = new RFC2109Spec(this.datepatterns, this.oneHeader);
+        }
+        return obsoleteStrict;
+    }
+
+    private BrowserCompatSpec getCompat() {
+        if (this.compat == null) {
+            this.compat = new BrowserCompatSpec(this.datepatterns);
+        }
+        return compat;
+    }
+
+    public List<Cookie> parse(
+            final Header header,
+            final CookieOrigin origin) throws MalformedCookieException {
+        Args.notNull(header, "Header");
+        Args.notNull(origin, "Cookie origin");
+        HeaderElement[] helems = header.getElements();
+        boolean versioned = false;
+        boolean netscape = false;
+        for (final HeaderElement helem: helems) {
+            if (helem.getParameterByName("version") != null) {
+                versioned = true;
+            }
+            if (helem.getParameterByName("expires") != null) {
+               netscape = true;
+            }
+        }
+        if (netscape || !versioned) {
+            // Need to parse the header again, because Netscape style cookies do not correctly
+            // support multiple header elements (comma cannot be treated as an element separator)
+            final NetscapeDraftHeaderParser parser = NetscapeDraftHeaderParser.DEFAULT;
+            final CharArrayBuffer buffer;
+            final ParserCursor cursor;
+            if (header instanceof FormattedHeader) {
+                buffer = ((FormattedHeader) header).getBuffer();
+                cursor = new ParserCursor(
+                        ((FormattedHeader) header).getValuePos(),
+                        buffer.length());
+            } else {
+                final String s = header.getValue();
+                if (s == null) {
+                    throw new MalformedCookieException("Header value is null");
+                }
+                buffer = new CharArrayBuffer(s.length());
+                buffer.append(s);
+                cursor = new ParserCursor(0, buffer.length());
+            }
+            helems = new HeaderElement[] { parser.parseHeader(buffer, cursor) };
+            return getCompat().parse(helems, origin);
+        } else {
+            if (SM.SET_COOKIE2.equals(header.getName())) {
+                return getStrict().parse(helems, origin);
+            } else {
+                return getObsoleteStrict().parse(helems, origin);
+            }
+        }
+    }
+
+    public void validate(
+            final Cookie cookie,
+            final CookieOrigin origin) throws MalformedCookieException {
+        Args.notNull(cookie, "Cookie");
+        Args.notNull(origin, "Cookie origin");
+        if (cookie.getVersion() > 0) {
+            if (cookie instanceof SetCookie2) {
+                getStrict().validate(cookie, origin);
+            } else {
+                getObsoleteStrict().validate(cookie, origin);
+            }
+        } else {
+            getCompat().validate(cookie, origin);
+        }
+    }
+
+    public boolean match(final Cookie cookie, final CookieOrigin origin) {
+        Args.notNull(cookie, "Cookie");
+        Args.notNull(origin, "Cookie origin");
+        if (cookie.getVersion() > 0) {
+            if (cookie instanceof SetCookie2) {
+                return getStrict().match(cookie, origin);
+            } else {
+                return getObsoleteStrict().match(cookie, origin);
+            }
+        } else {
+            return getCompat().match(cookie, origin);
+        }
+    }
+
+    public List<Header> formatCookies(final List<Cookie> cookies) {
+        Args.notNull(cookies, "List of cookies");
+        int version = Integer.MAX_VALUE;
+        boolean isSetCookie2 = true;
+        for (final Cookie cookie: cookies) {
+            if (!(cookie instanceof SetCookie2)) {
+                isSetCookie2 = false;
+            }
+            if (cookie.getVersion() < version) {
+                version = cookie.getVersion();
+            }
+        }
+        if (version > 0) {
+            if (isSetCookie2) {
+                return getStrict().formatCookies(cookies);
+            } else {
+                return getObsoleteStrict().formatCookies(cookies);
+            }
+        } else {
+            return getCompat().formatCookies(cookies);
+        }
+    }
+
+    public int getVersion() {
+        return getStrict().getVersion();
+    }
+
+    public Header getVersionHeader() {
+        return getStrict().getVersionHeader();
+    }
+
+    @Override
+    public String toString() {
+        return "best-match";
+    }
+
+}