Example usage for android.content Context checkCallingOrSelfUriPermission

Introduction

In this page you can find the example usage for android.content Context checkCallingOrSelfUriPermission.

Prototype

@CheckResult(suggest = "#enforceCallingOrSelfUriPermission(Uri,int,String)")
@PackageManager.PermissionResult
public abstract int checkCallingOrSelfUriPermission(Uri uri, @Intent.AccessUriMode int modeFlags);

Source Link

Document

Determine whether the calling process of an IPC or you has been granted permission to access a specific URI.

Usage

From source file:com.anthonymandra.support.v4.provider.DocumentsContractApi19.java

public static boolean canRead(Context context, Uri self) {
    // Ignore if grant doesn't allow read
    if (context.checkCallingOrSelfUriPermission(self,
            Intent.FLAG_GRANT_READ_URI_PERMISSION) != PackageManager.PERMISSION_GRANTED) {
        return false;
    }//from w w  w .j a va2s .c om

    // Ignore documents without MIME
    if (TextUtils.isEmpty(getRawType(context, self))) {
        return false;
    }

    return true;
}

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From source file:com.anthonymandra.support.v4.provider.DocumentsContractApi19.java

public static boolean canWrite(Context context, Uri self) {
    // Ignore if grant doesn't allow write
    if (context.checkCallingOrSelfUriPermission(self,
            Intent.FLAG_GRANT_WRITE_URI_PERMISSION) != PackageManager.PERMISSION_GRANTED) {
        return false;
    }/*from  w  w w  . j a v a2 s .  c  o m*/

    final String type = getRawType(context, self);
    final int flags = queryForInt(context, self, DocumentsContract.Document.COLUMN_FLAGS, 0);

    // Ignore documents without MIME
    if (TextUtils.isEmpty(type)) {
        return false;
    }

    // Deletable documents considered writable
    if ((flags & DocumentsContract.Document.FLAG_SUPPORTS_DELETE) != 0) {
        return true;
    }

    if (DocumentsContract.Document.MIME_TYPE_DIR.equals(type)
            && (flags & DocumentsContract.Document.FLAG_DIR_SUPPORTS_CREATE) != 0) {
        // Directories that allow create considered writable
        return true;
    } else if (!TextUtils.isEmpty(type) && (flags & DocumentsContract.Document.FLAG_SUPPORTS_WRITE) != 0) {
        // Writable normal files considered writable
        return true;
    }

    return false;
}

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