39 lines
1.5 KiB
Java
39 lines
1.5 KiB
Java
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package org.schabi.newpipe.util;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.preference.PreferenceManager;
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import org.schabi.newpipe.R;
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import java.util.regex.Pattern;
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public class FilenameUtils {
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/**
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* #143 #44 #42 #22: make sure that the filename does not contain illegal chars.
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* @param context the context to retrieve strings and preferences from
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* @param title the title to create a filename from
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* @return the filename
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*/
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public static String createFilename(Context context, String title) {
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SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
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final String key = context.getString(R.string.settings_file_charset_key);
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final String value = sharedPreferences.getString(key, context.getString(R.string.default_file_charset_value));
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Pattern pattern = Pattern.compile(value);
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final String replacementChar = sharedPreferences.getString(context.getString(R.string.settings_file_replacement_character_key), "_");
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return createFilename(title, pattern, replacementChar);
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}
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/**
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* Create a valid filename
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* @param title the title to create a filename from
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* @param invalidCharacters patter matching invalid characters
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* @param replacementChar the replacement
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* @return the filename
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*/
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private static String createFilename(String title, Pattern invalidCharacters, String replacementChar) {
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return title.replaceAll(invalidCharacters.pattern(), replacementChar);
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}
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}
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