netwerk/base/src/nsSimpleNestedURI.cpp

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   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   4  *
   5  * The contents of this file are subject to the Mozilla Public License Version
   6  * 1.1 (the "License"); you may not use this file except in compliance with
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  10  * Software distributed under the License is distributed on an "AS IS" basis,
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  15  * The Original Code is mozilla.org code.
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  17  * The Initial Developer of the Original Code is
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  19  * Portions created by the Initial Developer are Copyright (C) 2006
  20  * the Initial Developer. All Rights Reserved.
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  22  * Contributor(s):
  23  *   Boris Zbarsky <bzbarsky@mit.edu> (Original author)
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  25  * Alternatively, the contents of this file may be used under the terms of
  26  * either of the GNU General Public License Version 2 or later (the "GPL"),
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  37  * ***** END LICENSE BLOCK ***** */
  38
  39 #include "nsSimpleNestedURI.h"
  40 #include "nsIObjectInputStream.h"
  41 #include "nsIObjectOutputStream.h"
  42 #include "nsNetUtil.h"
  43
  44 NS_IMPL_ISUPPORTS_INHERITED1(nsSimpleNestedURI, nsSimpleURI, nsINestedURI)
  45
  46 nsSimpleNestedURI::nsSimpleNestedURI(nsIURI* innerURI)
  47     : nsSimpleURI(nsnull),
  48       mInnerURI(innerURI)
  49 {
  50     NS_ASSERTION(innerURI, "Must have inner URI");
  51     NS_TryToSetImmutable(innerURI);
  52 }
  53
  54 // nsISerializable
  55
  56 NS_IMETHODIMP
  57 nsSimpleNestedURI::Read(nsIObjectInputStream* aStream)
  58 {
  59     nsresult rv = nsSimpleURI::Read(aStream);
  60     if (NS_FAILED(rv)) return rv;
  61
  62     NS_ASSERTION(!mMutable, "How did that happen?");
  63
  64     rv = aStream->ReadObject(PR_TRUE, getter_AddRefs(mInnerURI));
  65     if (NS_FAILED(rv)) return rv;
  66
  67     NS_TryToSetImmutable(mInnerURI);
  68
  69     return rv;
  70 }
  71
  72 NS_IMETHODIMP
  73 nsSimpleNestedURI::Write(nsIObjectOutputStream* aStream)
  74 {
  75     nsCOMPtr<nsISerializable> serializable = do_QueryInterface(mInnerURI);
  76     if (!serializable) {
  77         // We can't serialize ourselves
  78         return NS_ERROR_NOT_AVAILABLE;
  79     }
  80
  81     nsresult rv = nsSimpleURI::Write(aStream);
  82     if (NS_FAILED(rv)) return rv;
  83
  84     rv = aStream->WriteCompoundObject(mInnerURI, NS_GET_IID(nsIURI),
  85                                       PR_TRUE);
  86     return rv;
  87 }
  88
  89 // nsINestedURI
  90
  91 NS_IMETHODIMP
  92 nsSimpleNestedURI::GetInnerURI(nsIURI** uri)
  93 {
  94     NS_ENSURE_TRUE(mInnerURI, NS_ERROR_NOT_INITIALIZED);
  95
  96     return NS_EnsureSafeToReturn(mInnerURI, uri);
  97 }
  98
  99 NS_IMETHODIMP
 100 nsSimpleNestedURI::GetInnermostURI(nsIURI** uri)
 101 {
 102     return NS_ImplGetInnermostURI(this, uri);
 103 }
 104
 105 // nsIURI overrides
 106
 107 NS_IMETHODIMP
 108 nsSimpleNestedURI::Equals(nsIURI* other, PRBool *result)
 109 {
 110     *result = PR_FALSE;
 111     NS_ENSURE_TRUE(mInnerURI, NS_ERROR_NOT_INITIALIZED);
 112
 113     if (other) {
 114         PRBool correctScheme;
 115         nsresult rv = other->SchemeIs(mScheme.get(), &correctScheme);
 116         NS_ENSURE_SUCCESS(rv, rv);
 117
 118         if (correctScheme) {
 119             nsCOMPtr<nsINestedURI> nest = do_QueryInterface(other);
 120             if (nest) {
 121                 nsCOMPtr<nsIURI> otherInner;
 122                 rv = nest->GetInnerURI(getter_AddRefs(otherInner));
 123                 NS_ENSURE_SUCCESS(rv, rv);
 124
 125                 return otherInner->Equals(mInnerURI, result);
 126             }
 127         }
 128     }
 129
 130     return NS_OK;
 131 }
 132
 133 /* virtual */ nsSimpleURI*
 134 nsSimpleNestedURI::StartClone()
 135 {
 136     NS_ENSURE_TRUE(mInnerURI, nsnull);
 137
 138     nsCOMPtr<nsIURI> innerClone;
 139     nsresult rv = mInnerURI->Clone(getter_AddRefs(innerClone));
 140     if (NS_FAILED(rv)) {
 141         return nsnull;
 142     }
 143
 144     nsSimpleNestedURI* url = new nsSimpleNestedURI(innerClone);
 145     if (url) {
 146         url->SetMutable(PR_FALSE);
 147     }
 148
 149     return url;
 150 }
 151
 152 // nsIClassInfo overrides
 153
 154 NS_IMETHODIMP
 155 nsSimpleNestedURI::GetClassIDNoAlloc(nsCID *aClassIDNoAlloc)
 156 {
 157     static NS_DEFINE_CID(kSimpleNestedURICID, NS_SIMPLENESTEDURI_CID);
 158
 159     *aClassIDNoAlloc = kSimpleNestedURICID;
 160     return NS_OK;
 161 }