PropertyFile.java
/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package androidx.test.services.storage.file;
import static androidx.test.internal.util.Checks.checkNotNull;
import android.net.Uri;
import androidx.test.annotation.ExperimentalTestApi;
import androidx.test.services.storage.TestStorageConstants;
/**
* Constants to access property file data (holding name/value pairs) and convenience methods for
* build URIs.
*/
@ExperimentalTestApi
public final class PropertyFile {
/** Represents columns returned by the property file service. */
public enum Column {
NAME("name", 0),
VALUE("value", 1);
private final String columnName;
private final int position;
private Column(String columnName, int position) {
this.columnName = checkNotNull(columnName);
this.position = position;
}
public String getName() {
return columnName;
}
public int getPosition() {
return position;
}
public static String[] getNames() {
Column[] columns = values();
String[] names = new String[values().length];
for (int i = 0; i < names.length; i++) {
names[i] = columns[i].getName();
}
return names;
}
}
/** Enumerates authorities for property-based (i.e. key/value pair) content providers. */
public enum Authority {
TEST_ARGS(TestStorageConstants.TEST_ARGS_PROVIDER_AUTHORITY);
private final String authority;
Authority(String authority) {
this.authority = checkNotNull(authority);
}
public String getAuthority() {
return authority;
}
}
/** Returns URI for retrieving all properties. */
public static Uri buildUri(Authority host) {
checkNotNull(host);
return new Uri.Builder().scheme("content").authority(host.getAuthority()).build();
}
/** Returns URI for retrieving a specific property. */
public static Uri buildUri(Authority host, String property) {
checkNotNull(host);
checkNotNull(property);
return new Uri.Builder()
.scheme("content")
.authority(host.getAuthority())
.path(property)
.build();
}
private PropertyFile() {}
}