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/*
 * ====================================================================
 * 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 org.testifyproject.testifyprojectpliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org.testifyproject/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
 * .
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package org.testifyproject.apache.http.impl.cookie;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;

import org.testifyproject.apache.http.Header;
import org.testifyproject.apache.http.HeaderElement;
import org.testifyproject.apache.http.NameValuePair;
import org.testifyproject.apache.http.annotation.NotThreadSafe;
import org.testifyproject.apache.http.cookie.ClientCookie;
import org.testifyproject.apache.http.cookie.Cookie;
import org.testifyproject.apache.http.cookie.CookieAttributeHandler;
import org.testifyproject.apache.http.cookie.CookieOrigin;
import org.testifyproject.apache.http.cookie.MalformedCookieException;
import org.testifyproject.apache.http.cookie.SM;
import org.testifyproject.apache.http.message.BufferedHeader;
import org.testifyproject.apache.http.util.Args;
import org.testifyproject.apache.http.util.CharArrayBuffer;

/**
 * RFC 2965 org.testifyproject.testifyprojectpliant {@link org.testifyproject.apache.http.cookie.CookieSpec} implementation.
 *
 * @since 4.0
 */
@NotThreadSafe // superclass is @NotThreadSafe
public class RFC2965Spec extends RFC2109Spec {

    /**
     * Default constructor
     *
     */
    public RFC2965Spec() {
        this(null, false);
    }

    public RFC2965Spec(final String[] datepatterns, final boolean oneHeader) {
        super(datepatterns, oneHeader);
        registerAttribHandler(ClientCookie.DOMAIN_ATTR, new RFC2965DomainAttributeHandler());
        registerAttribHandler(ClientCookie.PORT_ATTR, new RFC2965PortAttributeHandler());
        registerAttribHandler(ClientCookie.COMMENTURL_ATTR, new RFC2965CommentUrlAttributeHandler());
        registerAttribHandler(ClientCookie.DISCARD_ATTR, new RFC2965DiscardAttributeHandler());
        registerAttribHandler(ClientCookie.VERSION_ATTR, new RFC2965VersionAttributeHandler());
    }

    @Override
    public List parse(
            final Header header,
            final CookieOrigin origin) throws MalformedCookieException {
        Args.notNull(header, "Header");
        Args.notNull(origin, "Cookie origin");
        if (!header.getName().equalsIgnoreCase(SM.SET_COOKIE2)) {
            throw new MalformedCookieException("Unrecognized cookie header '"
                    + header.toString() + "'");
        }
        final HeaderElement[] elems = header.getElements();
        return createCookies(elems, adjustEffectiveHost(origin));
    }

    @Override
    protected List parse(
            final HeaderElement[] elems,
            final CookieOrigin origin) throws MalformedCookieException {
        return createCookies(elems, adjustEffectiveHost(origin));
    }

    private List createCookies(
            final HeaderElement[] elems,
            final CookieOrigin origin) throws MalformedCookieException {
        final List cookies = new ArrayList(elems.length);
        for (final HeaderElement headerelement : elems) {
            final String name = headerelement.getName();
            final String value = headerelement.getValue();
            if (name == null || name.length() == 0) {
                throw new MalformedCookieException("Cookie name may not be empty");
            }

            final BasicClientCookie2 cookie = new BasicClientCookie2(name, value);
            cookie.setPath(getDefaultPath(origin));
            cookie.setDomain(getDefaultDomain(origin));
            cookie.setPorts(new int [] { origin.getPort() });
            // cycle through the parameters
            final NameValuePair[] attribs = headerelement.getParameters();

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

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

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

    @Override
    public void validate(
            final Cookie cookie, final CookieOrigin origin) throws MalformedCookieException {
        Args.notNull(cookie, "Cookie");
        Args.notNull(origin, "Cookie origin");
        super.validate(cookie, adjustEffectiveHost(origin));
    }

    @Override
    public boolean match(final Cookie cookie, final CookieOrigin origin) {
        Args.notNull(cookie, "Cookie");
        Args.notNull(origin, "Cookie origin");
        return super.match(cookie, adjustEffectiveHost(origin));
    }

    /**
     * Adds valid Port attribute value, e.g. "8000,8001,8002"
     */
    @Override
    protected void formatCookieAsVer(final CharArrayBuffer buffer,
            final Cookie cookie, final int version) {
        super.formatCookieAsVer(buffer, cookie, version);
        // format port attribute
        if (cookie instanceof ClientCookie) {
            // Test if the port attribute as set by the origin server is not blank
            final String s = ((ClientCookie) cookie).getAttribute(ClientCookie.PORT_ATTR);
            if (s != null) {
                buffer.append("; $Port");
                buffer.append("=\"");
                if (s.trim().length() > 0) {
                    final int[] ports = cookie.getPorts();
                    if (ports != null) {
                        final int len = ports.length;
                        for (int i = 0; i < len; i++) {
                            if (i > 0) {
                                buffer.append(",");
                            }
                            buffer.append(Integer.toString(ports[i]));
                        }
                    }
                }
                buffer.append("\"");
            }
        }
    }

    /**
     * Set 'effective host name' as org.testifyproject.testifyprojectfined in RFC 2965.
     * 

* If a host name contains no dots, the effective host name is * that name with the string .local appended to it. Otherwise * the effective host name is the same as the host name. Note * that all effective host names contain at least one dot. * * @param origin origin where cookie is received from or being sent to. */ private static CookieOrigin adjustEffectiveHost(final CookieOrigin origin) { String host = origin.getHost(); // Test if the host name appears to be a fully qualified DNS name, // IPv4 address or IPv6 address boolean isLocalHost = true; for (int i = 0; i < host.length(); i++) { final char ch = host.charAt(i); if (ch == '.' || ch == ':') { isLocalHost = false; break; } } if (isLocalHost) { host += ".local"; return new CookieOrigin( host, origin.getPort(), origin.getPath(), origin.isSecure()); } else { return origin; } } @Override public int getVersion() { return 1; } @Override public Header getVersionHeader() { final CharArrayBuffer buffer = new CharArrayBuffer(40); buffer.append(SM.COOKIE2); buffer.append(": "); buffer.append("$Version="); buffer.append(Integer.toString(getVersion())); return new BufferedHeader(buffer); } @Override public String toString() { return "rfc2965"; } }





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