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              1#include "StdAfx.h"
              2#include "HttpDown.h"
              3
              4
              5//*****************************************************************************
              6CBSCallbackImpl::CBSCallbackImpl(HWND hWnd, HANDLE hEventStop)
              7{
              8    m_hWnd = hWnd;  // the window handle to display status
              9
             10    m_hEventStop = hEventStop;  // the event object to signal to stop
             11
             12    m_ulObjRefCount = 1;
             13}
             14
             15// IUnknown
             16STDMETHODIMP CBSCallbackImpl::QueryInterface(REFIID riid, void **ppvObject)
             17{
             18    TRACE(_T("IUnknown::QueryInterface\n"));
             19
             20    *ppvObject = NULL;
             21
             22    // IUnknown
             23    if (::IsEqualIID(riid, __uuidof(IUnknown)))
             24    {
             25        TRACE(_T("IUnknown::QueryInterface(IUnknown)\n"));
             26
             27        *ppvObject = this;
             28    }
             29    // IBindStatusCallback
             30    else if (::IsEqualIID(riid, __uuidof(IBindStatusCallback)))
             31    {
             32        TRACE(_T("IUnknown::QueryInterface(IBindStatusCallback)\n"));
             33
             34        *ppvObject = static_cast<IBindStatusCallback *>(this);
             35    }
             36
             37    if (*ppvObject)
             38    {
             39        (*reinterpret_cast<LPUNKNOWN *>(ppvObject))->AddRef();
             40
             41        return S_OK;
             42    }
             43
             44    return E_NOINTERFACE;
             45}                                                         
             46
             47STDMETHODIMP_(ULONG) CBSCallbackImpl::AddRef()
             48{
             49    return ++m_ulObjRefCount;
             50}
             51
             52STDMETHODIMP_(ULONG) CBSCallbackImpl::Release()
             53{
             54    return --m_ulObjRefCount;
             55}
             56
             57// IBindStatusCallback
             58STDMETHODIMP CBSCallbackImpl::OnStartBinding(DWORD, IBinding *)
             59{
             60    return S_OK;
             61}
             62STDMETHODIMP CBSCallbackImpl::GetPriority(LONG *)
             63{
             64    return E_NOTIMPL;
             65}
             66STDMETHODIMP CBSCallbackImpl::OnLowResource(DWORD)
             67{
             68    return S_OK;
             69}
             70STDMETHODIMP CBSCallbackImpl::OnStopBinding(HRESULT, LPCWSTR)
             71{
             72    return S_OK;
             73}
             74STDMETHODIMP CBSCallbackImpl::GetBindInfo(DWORD *, BINDINFO *)
             75{
             76    return S_OK;
             77}
             78STDMETHODIMP CBSCallbackImpl::OnDataAvailable(DWORD, DWORD,
             79                                              FORMATETC *, STGMEDIUM *)
             80{
             81    return S_OK;
             82}
             83STDMETHODIMP CBSCallbackImpl::OnObjectAvailable(REFIID, IUnknown *)
             84{
             85    return S_OK;
             86}
             87
             88
             89//-----------------------------------------------------------------------------
             90STDMETHODIMP CBSCallbackImpl::OnProgress(ULONG ulProgress,
             91                                         ULONG ulProgressMax,
             92                                         ULONG ulStatusCode,
             93                                         LPCWSTR szStatusText)
             94{
             95#ifdef _DEBUG
             96    static const LPCTSTR plpszStatus[] = 
             97    {
             98        _T("BINDSTATUS_FINDINGRESOURCE"),  // 1
             99        _T("BINDSTATUS_CONNECTING"),
            100        _T("BINDSTATUS_REDIRECTING"),
            101        _T("BINDSTATUS_BEGINDOWNLOADDATA"),
            102        _T("BINDSTATUS_DOWNLOADINGDATA"),
            103        _T("BINDSTATUS_ENDDOWNLOADDATA"),
            104        _T("BINDSTATUS_BEGINDOWNLOADCOMPONENTS"),
            105        _T("BINDSTATUS_INSTALLINGCOMPONENTS"),
            106        _T("BINDSTATUS_ENDDOWNLOADCOMPONENTS"),
            107        _T("BINDSTATUS_USINGCACHEDCOPY"),
            108        _T("BINDSTATUS_SENDINGREQUEST"),
            109        _T("BINDSTATUS_CLASSIDAVAILABLE"),
            110        _T("BINDSTATUS_MIMETYPEAVAILABLE"),
            111        _T("BINDSTATUS_CACHEFILENAMEAVAILABLE"),
            112        _T("BINDSTATUS_BEGINSYNCOPERATION"),
            113        _T("BINDSTATUS_ENDSYNCOPERATION"),
            114        _T("BINDSTATUS_BEGINUPLOADDATA"),
            115        _T("BINDSTATUS_UPLOADINGDATA"),
            116        _T("BINDSTATUS_ENDUPLOADINGDATA"),
            117        _T("BINDSTATUS_PROTOCOLCLASSID"),
            118        _T("BINDSTATUS_ENCODING"),
            119        _T("BINDSTATUS_VERFIEDMIMETYPEAVAILABLE"),
            120        _T("BINDSTATUS_CLASSINSTALLLOCATION"),
            121        _T("BINDSTATUS_DECODING"),
            122        _T("BINDSTATUS_LOADINGMIMEHANDLER"),
            123        _T("BINDSTATUS_CONTENTDISPOSITIONATTACH"),
            124        _T("BINDSTATUS_FILTERREPORTMIMETYPE"),
            125        _T("BINDSTATUS_CLSIDCANINSTANTIATE"),
            126        _T("BINDSTATUS_IUNKNOWNAVAILABLE"),
            127        _T("BINDSTATUS_DIRECTBIND"),
            128        _T("BINDSTATUS_RAWMIMETYPE"),
            129        _T("BINDSTATUS_PROXYDETECTING"),
            130        _T("BINDSTATUS_ACCEPTRANGES"),
            131        _T("???")  // unknown
            132    }            ;
            133#endif
            134
            135    TRACE(_T("IBindStatusCallback::OnProgress\n"));
            136    TRACE(_T("ulProgress: %lu, ulProgressMax: %lu\n"), ulProgress, ulProgressMax);
            137    TRACE(_T("ulStatusCode: %lu "), ulStatusCode);
            138
            139    if (ulStatusCode < UF_BINDSTATUS_FIRST ||
            140        ulStatusCode > UF_BINDSTATUS_LAST)
            141    {
            142        ulStatusCode = UF_BINDSTATUS_LAST + 1;
            143    }
            144
            145#ifdef _DEBUG
            146    TRACE(_T("(%s), szStatusText: %ls\n"),
            147        plpszStatus[ulStatusCode - UF_BINDSTATUS_FIRST],
            148        szStatusText);
            149#endif
            150
            151
            152    if (m_hWnd != NULL)
            153    {
            154        DOWNLOADSTATUS downloadStatus =
            155        { ulProgress, ulProgressMax, ulStatusCode, szStatusText };
            156        ::SendMessage(m_hWnd, WM_USER_DISPLAYSTATUS,
            157            0, reinterpret_cast<LPARAM>(&downloadStatus));
            158    }
            159
            160    if (m_hEventStop != NULL)
            161    {
            162        if (::WaitForSingleObject(m_hEventStop, 0) == WAIT_OBJECT_0)
            163        {
            164
            165            TRACE(_T("Download to give up\n"));
            166
            167            ::SendMessage(m_hWnd, WM_USER_CANCELDOWNLOAD, 0, 0);
            168            return E_ABORT;  // canceled by the user
            169        }
            170    }
            171
            172    return S_OK;
            173}
            174//*****************************************************************************
            175
            176CHttpDown::CHttpDown(void)
            177{
            178    m_hThread = NULL;
            179    m_hEventStop = CreateEvent(NULL,TRUE, FALSE, NULL);
            180
            181    ASSERT(NULL != m_hEventStop);
            182}
            183
            184CHttpDown::~CHttpDown(void)
            185{
            186    EndDownLoad();
            187    CloseHandle(m_hEventStop);
            188}
            189
            190UINT CHttpDown::Download(LPVOID pParam)
            191{
            192    CHttpDown *const pThis = static_cast<CHttpDown *>(pParam);
            193    CString strURL, strFileName, strFilePath;
            194    TCHAR   lpCurrentPath[MAX_PATH];   
            195    ::GetCurrentDirectory(MAX_PATH, lpCurrentPath);
            196    
            197    if (pThis->m_DownList.size() <= 0)
            198        return 0;
            199
            200    /*
            201    URLDownloadToCacheFile is a blocking function. Even though the data is
            202    downloaded asynchronously the function does not return until all the
            203    data is downloaded
            204    */
            205
            206    CBSCallbackImpl bsc(pThis->m_hWnd, pThis->m_hEventStop);
            207    
            208    std::map<CString, CString>::iterator iterIdx = pThis->m_DownList.begin();
            209
            210    while(iterIdx != pThis->m_DownList.end() && WaitForSingleObject(pThis->m_hEventStop, 0) == WAIT_TIMEOUT)
            211    {
            212        strURL = iterIdx->second;
            213        strFilePath.Format(_T("%s\\%s"), lpCurrentPath, iterIdx->first);
            214
            215        const HRESULT hr = ::URLDownloadToCacheFile(NULL,
            216            strURL,
            217            strFileName.GetBuffer(MAX_PATH),
            218            URLOSTRM_GETNEWESTVERSION,
            219            0,
            220            &bsc);
            221    
            222        // empty the filename string if failed or canceled
            223        if (!SUCCEEDED(hr))
            224        {
            225            strFileName.ReleaseBuffer(-1);
            226            pThis->m_DownList.clear();
            227            //如果下載失敗或是取消下載就關(guān)閉窗口
            228            //::PostMessage(pThis->m_hWnd, WM_CLOSE, 0, 0);
            229
            230            return 0;
            231        }
            232        else
            233        {
            234            ::CopyFile(strFileName, strFilePath, FALSE);
            235        }
            236
            237        iterIdx++;
            238    }
            239
            240    pThis->m_DownList.clear();
            241    ::PostMessage(pThis->m_hWnd, WM_USER_ENDDOWNLOAD, 0, 0);
            242
            243    return 0;
            244}
            245
            246BOOL CHttpDown::AddFile(CString strURL, CString strPath)
            247{
            248    if (strcmp(strURL, _T("")) == 0 || strcmp(strPath, _T("")) == 0)
            249        return FALSE;
            250
            251    m_DownList[strPath] = strURL;
            252    return TRUE;
            253}
            254
            255void CHttpDown::DelFile(CString strPath)
            256{
            257    if (strcmp(strPath, _T("")) == 0)
            258        return;
            259
            260    std::map<CString, CString>::iterator iterIdx = m_DownList.find(strPath);
            261
            262    if (iterIdx != m_DownList.end())
            263        m_DownList.erase(iterIdx);
            264}
            265
            266BOOL CHttpDown::BeginDownLoad()
            267{
            268    EndDownLoad();
            269    ResetEvent(m_hEventStop);
            270
            271    DWORD ThreadID;
            272    m_hThread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)Download, this, 0, &ThreadID);
            273
            274    if (m_hThread == INVALID_HANDLE_VALUE)
            275    {
            276        return FALSE;
            277    }
            278
            279    return TRUE;
            280}
            281
            282void CHttpDown::EndDownLoad()
            283{
            284    if (m_hThread == NULL)
            285        return;
            286
            287    DWORD dwResult;
            288    GetExitCodeThread(m_hThread, &dwResult);
            289    
            290    if (dwResult == 259)
            291    {
            292        SetEvent(m_hEventStop);
            293        ::WaitForSingleObject(m_hThread, INFINITE);
            294        CloseHandle(m_hThread);
            295        m_hThread = NULL;
            296    }
            297
            298    CloseHandle(m_hThread);
            299    m_hThread = NULL;
            300}
            301
            302//進(jìn)度消息處理示例
            303/*
            304LRESULT OnDisplayStatus(WPARAM wParam, LPARAM lParam)
            305{
            306    const DOWNLOADSTATUS *const pDownloadStatus =
            307        reinterpret_cast<DOWNLOADSTATUS *>(lParam);
            308
            309    // form the status text
            310    CString strStatus;
            311
            312    if (pDownloadStatus != NULL)
            313    {
            314
            315        VERIFY(strStatus.LoadString(pDownloadStatus->ulStatusCode -
            316            UF_BINDSTATUS_FIRST +
            317            _T("Finding resource")));
            318        strStatus += _T("  ");
            319        strStatus += pDownloadStatus->szStatusText;
            320
            321        CString strProgress;
            322        strProgress.Format(_T(" %lu of %lu"),
            323            pDownloadStatus->ulProgress,
            324            pDownloadStatus->ulProgressMax);
            325
            326        strStatus += strProgress + _T("\r\n");
            327    }
            328
            329    return 0;
            330}*/
            

              1#pragma once
              2#include <map>
              3
              4//The message of status update
              5#define  WM_USER_DISPLAYSTATUS  WM_USER + 1001
              6#define  WM_USER_ENDDOWNLOAD    WM_USER + 1002
              7#define  WM_USER_CANCELDOWNLOAD WM_USER + 1003
              8
              9enum
             10{
             11    UF_BINDSTATUS_FIRST = BINDSTATUS_FINDINGRESOURCE,
             12    UF_BINDSTATUS_LAST = BINDSTATUS_ACCEPTRANGES
             13}            ;
             14
             15
             16//The status of Download
             17struct DOWNLOADSTATUS
             18{
             19    ULONG ulProgress;
             20    ULONG ulProgressMax;
             21    ULONG ulStatusCode;
             22    LPCWSTR szStatusText;
             23}            ;
             24
             25class CBSCallbackImpl : public IBindStatusCallback
             26{
             27public:
             28    CBSCallbackImpl(HWND hWnd, HANDLE hEventStop);
             29
             30    // IUnknown methods
             31    STDMETHOD(QueryInterface)(REFIID riid, void **ppvObject);
             32    STDMETHOD_(ULONG, AddRef)();
             33    STDMETHOD_(ULONG, Release)();
             34
             35    STDMETHOD(OnProgress)(ULONG ulProgress,    ULONG ulProgressMax,
             36        ULONG ulStatusCode,
             37        LPCWSTR szStatusText);
             38
             39    // IBindStatusCallback methods
             40    STDMETHOD(OnStartBinding)(DWORD, IBinding *);
             41    STDMETHOD(GetPriority)(LONG *);
             42    STDMETHOD(OnLowResource)(DWORD);
             43    STDMETHOD(OnStopBinding)(HRESULT, LPCWSTR);
             44    STDMETHOD(GetBindInfo)(DWORD *, BINDINFO *);
             45    STDMETHOD(OnDataAvailable)(DWORD, DWORD, FORMATETC *, STGMEDIUM *);
             46    STDMETHOD(OnObjectAvailable)(REFIID, IUnknown *);
             47
             48protected:
             49    ULONG m_ulObjRefCount;
             50
             51private:
             52    //Parent windows handle
             53    HWND m_hWnd;
             54    //The event of Stop
             55    HANDLE m_hEventStop;
             56}            ;
             57
             58class CHttpDown
             59{
             60public:
             61    CHttpDown(void);
             62    virtual ~CHttpDown(void);
             63
             64    inline void SetParentWindow(HWND hwnd) {m_hWnd = hwnd;}
             65
             66    BOOL BeginDownLoad();
             67    void EndDownLoad();
             68
             69    BOOL AddFile(CString strURL, CString strPath);
             70    void DelFile(CString strPath);
             71
             72protected:
             73    static UINT Download(LPVOID pParam);
             74
             75private:
             76    HWND m_hWnd;
             77    HANDLE m_hEventStop;
             78    HANDLE m_hThread;
             79
             80    std::map<CString, CString> m_DownList;
             81}            ;
             82
             83/*
             84資源聲明
             85#define IDS_BINDSTATUS01                106
             86#define IDS_BINDSTATUS02                107
             87#define IDS_BINDSTATUS03                108
             88#define IDS_BINDSTATUS04                109
             89#define IDS_BINDSTATUS05                110
             90#define IDS_BINDSTATUS06                111
             91#define IDS_BINDSTATUS07                112
             92#define IDS_BINDSTATUS08                113
             93#define IDS_BINDSTATUS09                114
             94#define IDS_BINDSTATUS10                115
             95#define IDS_BINDSTATUS11                116
             96#define IDS_BINDSTATUS12                117
             97#define IDS_BINDSTATUS13                118
             98#define IDS_BINDSTATUS14                119
             99#define IDS_BINDSTATUS15                120
            100#define IDS_BINDSTATUS16                121
            101#define IDS_BINDSTATUS17                122
            102#define IDS_BINDSTATUS18                123
            103#define IDS_BINDSTATUS19                124
            104#define IDS_BINDSTATUS20                125
            105#define IDS_BINDSTATUS21                126
            106#define IDS_BINDSTATUS22                127
            107#define IDS_BINDSTATUS23                128
            108#define IDS_BINDSTATUS24                129
            109#define IDS_BINDSTATUS25                130
            110#define IDS_BINDSTATUS26                131
            111#define IDS_BINDSTATUS27                132
            112#define IDS_BINDSTATUS28                133
            113#define IDS_BINDSTATUS29                134
            114#define IDS_BINDSTATUS30                135
            115#define IDS_BINDSTATUS31                136
            116#define IDS_BINDSTATUS32                137
            117#define IDS_BINDSTATUS33                138
            118#define IDS_BINDSTATUS34                139
            119IDS_BINDSTATUS01        "Finding resource"
            120IDS_BINDSTATUS02        "Connecting"
            121IDS_BINDSTATUS03        "Redirecting"
            122IDS_BINDSTATUS04        "Begin download data"
            123IDS_BINDSTATUS05        "Downloading data"
            124IDS_BINDSTATUS06        "End download data"
            125IDS_BINDSTATUS07        "Begin download components"
            126IDS_BINDSTATUS08        "Installing components"
            127IDS_BINDSTATUS09        "End download components"
            128IDS_BINDSTATUS10        "Using cached copy"
            129IDS_BINDSTATUS11        "Sending request"
            130IDS_BINDSTATUS12        "Class ID available"
            131IDS_BINDSTATUS13        "MIME type available"
            132IDS_BINDSTATUS14        "Cache file name available"
            133IDS_BINDSTATUS15        "Begin synchronous operation"
            134IDS_BINDSTATUS16        "End synchronous operation"
            135IDS_BINDSTATUS17        "Begin upload data"
            136IDS_BINDSTATUS18        "Uploading data"
            137IDS_BINDSTATUS19        "End upload data"
            138IDS_BINDSTATUS20        "Protocol class ID available"
            139IDS_BINDSTATUS21        "Encoding"
            140IDS_BINDSTATUS22        "Verfied MIME type available"
            141IDS_BINDSTATUS23        "Class install location available"
            142IDS_BINDSTATUS24        "Decoding"
            143IDS_BINDSTATUS25        "Loading MIME handler"
            144IDS_BINDSTATUS26        "Content-Disposition attachment"
            145IDS_BINDSTATUS27        "MIME filter to report a change in MIME type"
            146IDS_BINDSTATUS28        "CLSID can instantiate"
            147IDS_BINDSTATUS29        "IUnknown released"
            148IDS_BINDSTATUS30        "Direct bind"
            149IDS_BINDSTATUS31        "Raw MIME type"
            150IDS_BINDSTATUS32        "Detecting proxy"
            151IDS_BINDSTATUS33        "Accept ranges"
            152IDS_BINDSTATUS34        "???"
            153*/
            154
            155
            

            
	
            posted on 2008-12-23 13:21 黑色天使 閱讀(2332) 評論(10)  編輯 收藏 引用  所屬分類: 網(wǎng)絡(luò)開發(fā) 
            

            







            
	    
    


            
FeedBack:

            
	

		
            
			
            # re: CHttpDwonLoad Bete 1.0[未登錄]
            
			
            
				2008-12-23 13:26 | jacky
            
				
            Bete? 還是Beta
            bete:[bet][法]野獸,愚人

            DwonLoad？？  回復(fù)  更多評論
              
            
			
            
			
			
		
            
	
		
            
			
            # re: CHttpDwonLoad Bete 1.0
            
			
            
				2008-12-23 14:04 | 肥仔
            
				
            樓上的眼睛好犀利  回復(fù)  更多評論
              
            
			
            
			
			
		
            
	
		
            
			
            # re: CHttpDownLoad Beta 1.0
            
			
            
				2008-12-23 14:32 | 黑色天使
            
				
            @jacky
            .......我可能有點(diǎn)暈了,最近太忙了  回復(fù)  更多評論
              
            
			
            
			
			
		
            
	
		
            
			
            # re: CHttpDownLoad Beta 1.0
            
			
            
				2008-12-23 14:48 | ToperRay
            
				
            如何使用啊？  回復(fù)  更多評論
              
            
			
            
			
			
		
            
	
		
            
			
            # re: CHttpDownLoad Beta 1.0
            
			
            
				2008-12-23 15:01 | ToperRay
            
				
            strFileName沒有被賦值，哥們。


              回復(fù)  更多評論
              
            
			
            
			
			
		
            
	
		
            
			
            # re: CHttpDownLoad Beta 1.0
            
			
            
				2008-12-23 15:31 | ToperRay
            
				
            IBindStatusCallback

            未實(shí)現(xiàn)Authenticate 函數(shù)。  回復(fù)  更多評論
              
            
			
            
			
			
		
            
	
		
            
			
            # re: CHttpDownLoad Beta 1.0
            
			
            
				2008-12-23 15:39 | LZ
            
				
            @ToperRay
            系統(tǒng)回調(diào)的賦值  回復(fù)  更多評論
              
            
			
            
			
			
		
            
	
		
            
			
            # re: CHttpDownLoad Beta 1.0
            
			
            
				2008-12-23 15:42 | LZ
            
				
            @ToperRay
            OK，記下了，下次補(bǔ)上Authenticate實(shí)現(xiàn)  回復(fù)  更多評論
              
            
			
            
			
			
		
            
	
		
            
			
            # re: CHttpDownLoad Beta 1.0
            
			
            
				2008-12-23 15:51 | LZ
            
				
            //設(shè)定消息處理的窗口句柄
            HttpDown.SetParentWindow(hwnd);
            //添加要下載的文件路徑
            HttpDown.AddFile();
            //開始下載
            m_HttpDown.BeginDownLoad();
            //這兩個函數(shù)都是消息通知，自己添加自定義消息處理
            LRESULT CAutoUpdateDlg::EndDown(WPARAM wParam, LPARAM lParam)
            {
            	//下載完成以后調(diào)用的函數(shù)
            	return 0;
            }

            LRESULT CAutoUpdateDlg::OnDisplayStatus(WPARAM wParam, LPARAM lParam)
            {
            	//處理下載進(jìn)度的函數(shù)

            	const DOWNLOADSTATUS *const pDownloadStatus =
            		reinterpret_cast<DOWNLOADSTATUS *>(lParam);
            	CString strStatus;

            	if (pDownloadStatus != NULL)
            	{
            #ifdef _DEBUG
            		VERIFY(strStatus.LoadString(pDownloadStatus->ulStatusCode -
            			UF_BINDSTATUS_FIRST +
            			IDS_BINDSTATUS01));
            		strStatus += _T("  ");
            		strStatus += pDownloadStatus->szStatusText;

            		CString strProgress;
            		strProgress.Format(_T(" %lu of %lu"),
            			pDownloadStatus->ulProgress,
            			pDownloadStatus->ulProgressMax);

            		strStatus += strProgress + _T("\r\n");
            		TRACE(strStatus);
            #endif

            		m_Progress.SetPos(MAX_PROGRESS_NUM/((pDownloadStatus->ulProgressMax/(pDownloadStatus->ulProgress+1))+1));
            	}

            	return 0;
            }

            		//下載失敗我就在函數(shù)里處理關(guān)閉主窗口，具體自己實(shí)現(xiàn)
            		// empty the filename string if failed or canceled
            		if (!SUCCEEDED(hr))
            		{
            			strFileName.ReleaseBuffer(-1);
            			pThis->m_DownList.clear();
            			//如果下載失敗或是取消下載就關(guān)閉窗口
            			::PostMessage(pThis->m_hWnd, WM_CLOSE, 0, 0);

            			return 0;
            		}

              回復(fù)  更多評論
              
            
			
            
			
			
		
            
	
		
            
			
            # re: CHttpDownLoad Beta 1.0
            
			
            
				2008-12-25 11:54 | tangxinfa
            
				
            這里有個類似的東西：HTTP服務(wù)器上斷點(diǎn)下載文件 http://www.cnitblog.com/wangk/archive/2007/05/22/5942.html  回復(fù)  更多評論
              
            
			
            
			
			
		
            
	








            






            

				

            

            
	
		
            
			
            			
			
            
	
            
		
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