113 lines
3.6 KiB
Java
113 lines
3.6 KiB
Java
package com.tangem.data;
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import android.content.ContentProvider;
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import android.content.ContentValues;
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import android.content.UriMatcher;
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import android.database.Cursor;
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import android.net.Uri;
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import android.os.ParcelFileDescriptor;
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import android.util.Log;
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import com.tangem.wallet.R;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.util.Objects;
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/**
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* Created by dvol on 15.02.2018.
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*/
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public class LogFileProvider extends ContentProvider {
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private static final String CLASS_NAME = "LogFileProvider";
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// The authority is the symbolic name for the provider class
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// public static final String AUTHORITY = "com.tangem.LogFileProvider";
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// public static final String AUTHORITY = "com.tangem.LogFileProvider";
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// UriMatcher used to match against incoming requests
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private UriMatcher uriMatcher;
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@Override
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public boolean onCreate() {
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uriMatcher = new UriMatcher(UriMatcher.NO_MATCH);
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// Add a URI to the matcher which will match against the form
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// 'content://it.my.app.LogFileProvider/*'
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// and return 1 in the case that the incoming Uri matches this pattern
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// uriMatcher.addURI(Objects.requireNonNull(getContext()).getString(R.string.log_file_provider_authorities), "*", 1);
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// uriMatcher.addURI(Objects.requireNonNull("com.tangem.data.LogFileProvider"), "*", 1);
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return true;
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}
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@Override
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public ParcelFileDescriptor openFile(Uri uri, String mode)
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throws FileNotFoundException {
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String LOG_TAG = CLASS_NAME + "-oF";
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Log.v(LOG_TAG,
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"Called with uri: '" + uri + "'." + uri.getLastPathSegment());
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// check incoming Uri against the matcher
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switch (uriMatcher.match(uri)) {
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// If it returns 1 - then it matches the Uri defined in onCreate
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case 1:
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// The desired file name is specified by the last segment of the
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// path
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// E.g.
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// 'content://it.my.app.LogFileProvider/Test1.txt'
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// Take this and build the path to the file
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String fileLocation = getContext().getCacheDir() + File.separator
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+ uri.getLastPathSegment();
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// Create & return a ParcelFileDescriptor pointing to the file
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// Note: I don't care what mode they ask for - they're only getting
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// read only
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ParcelFileDescriptor pfd = ParcelFileDescriptor.open(new File(fileLocation), ParcelFileDescriptor.MODE_READ_ONLY);
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return pfd;
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// Otherwise unrecognised Uri
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default:
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Log.v(LOG_TAG, "Unsupported uri: '" + uri + "'.");
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throw new FileNotFoundException("Unsupported uri: "
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+ uri.toString());
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}
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}
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// //////////////////////////////////////////////////////////////
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// Not supported / used / required for this example
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// //////////////////////////////////////////////////////////////
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@Override
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public int update(Uri uri, ContentValues contentvalues, String s,
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String[] as) {
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return 0;
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}
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@Override
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public int delete(Uri uri, String s, String[] as) {
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return 0;
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}
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@Override
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public Uri insert(Uri uri, ContentValues contentvalues) {
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return null;
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}
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@Override
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public String getType(Uri uri) {
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return null;
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}
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@Override
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public Cursor query(Uri uri, String[] projection, String s, String[] as1,
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String s1) {
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return null;
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}
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}
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