Android Open Source - sqlite-provider Uri Utils

• Back to SQLite/provider  ↑

From Project

Back to project page sqlite-provider.

License

The source code is released under:

Apache License

Java Source Code

package novoda.lib.sqliteprovider.util;
//  w w  w  . j av a2 s  .c o  m
import android.net.Uri;

import java.util.*;

public class UriUtils {

    private static Map<String, String> mappedIds = new HashMap<String, String>();

    public static UriUtils from(Uri uri) {
        UriUtils utils = new UriUtils();

        final List<String> segs = uri.getPathSegments();
        String parent = "";

        for (int i = 0; i < segs.size(); i++) {
            String currentSeg = segs.get(i);
            if (isNumeric(currentSeg)) {
                final int children = Integer.parseInt(currentSeg);
                for (int l = 0; l < children; l++) {
                    mappedIds.put(parent, currentSeg);
                }
            } else {
                parent = currentSeg;
            }
        }
        return utils;
    }

    public static boolean isNumeric(String numericChar) {
        try {
            Integer.parseInt(numericChar);
        } catch (NumberFormatException nfe) {
            return false;
        }
        return true;
    }

    public static boolean isNumberedEntryWithinCollection(final Uri uri) {
        return isNumeric(uri.getLastPathSegment());
    }

    public static boolean isDir(final Uri uri) {
        return isDir("", uri);
    }

    public static boolean isDir(final String rootPath, final Uri uri) {
        return !isItem(rootPath, uri);
    }

    public static boolean isItem(final Uri uri) {
        return isItem("", uri);
    }

    public static boolean isItem(final String rootPath, final Uri uri) {
        final List<String> segments = uri.getPathSegments();
        if (rootPath != null && !"".equals(rootPath)) {
            return (((segments.size() - rootPath.split("/").length + 1) % 2) == 1);
        }
        return ((segments.size() % 2) == 0);
    }

    public static String getItemDirID(final Uri uri) {
        return getItemDirID("", uri);
    }

    public static String getItemDirID(final String rootPath, final Uri uri) {
        final List<String> segments = uri.getPathSegments();
        if (isItem(rootPath, uri)) {
            return segments.get(segments.size() - 2);
        }
        return uri.getLastPathSegment();
    }

    public static boolean hasParent(Uri uri) {
        if (uri.getPathSegments().size() > 2) {
            return true;
        }
        return false;
    }

    public static String getParentColumnName(Uri uri) {
        if (hasParent(uri)) {
            if (!isNumberedEntryWithinCollection(uri)) {
                return uri.getPathSegments().get((uri.getPathSegments().size() - 1) - 2);
            }
            return uri.getPathSegments().get((uri.getPathSegments().size() - 1) - 3);
        }
        return "";
    }

    public static String getParentId(Uri uri) {
        if (hasParent(uri)) {
            if (!isNumberedEntryWithinCollection(uri)) {
                return uri.getPathSegments().get((uri.getPathSegments().size() - 1) - 1);
            }
            return uri.getPathSegments().get((uri.getPathSegments().size() - 1) - 2);
        }
        return "";
    }

    public Map<String, String> getMappedIds() {
        return mappedIds;
    }
}

Java Source Code List

• Back to SQLite/provider  ↑