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Android example source code file (SyncAdapterType.java)

This example Android source code file (SyncAdapterType.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" TM.

Java - Android tags/keywords

android, creator, illegalargumentexception, illegalstateexception, key, os, parcelable, string, syncadaptertype, text

The SyncAdapterType.java Android example source code

/*
 * Copyright (C) 2009 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 android.content;

import android.text.TextUtils;
import android.os.Parcelable;
import android.os.Parcel;

/**
 * Value type that represents a SyncAdapterType. This object overrides {@link #equals} and
 * {@link #hashCode}, making it suitable for use as the key of a {@link java.util.Map}
 */
public class SyncAdapterType implements Parcelable {
    public final String authority;
    public final String accountType;
    public final boolean isKey;
    private final boolean userVisible;
    private final boolean supportsUploading;

    public SyncAdapterType(String authority, String accountType, boolean userVisible, 
            boolean supportsUploading) {
        if (TextUtils.isEmpty(authority)) {
            throw new IllegalArgumentException("the authority must not be empty: " + authority);
        }
        if (TextUtils.isEmpty(accountType)) {
            throw new IllegalArgumentException("the accountType must not be empty: " + accountType);
        }
        this.authority = authority;
        this.accountType = accountType;
        this.userVisible = userVisible;
        this.supportsUploading = supportsUploading;
        this.isKey = false;
    }

    private SyncAdapterType(String authority, String accountType) {
        if (TextUtils.isEmpty(authority)) {
            throw new IllegalArgumentException("the authority must not be empty: " + authority);
        }
        if (TextUtils.isEmpty(accountType)) {
            throw new IllegalArgumentException("the accountType must not be empty: " + accountType);
        }
        this.authority = authority;
        this.accountType = accountType;
        this.userVisible = true;
        this.supportsUploading = true;
        this.isKey = true;
    }

    public boolean supportsUploading() {
        if (isKey) {
            throw new IllegalStateException(
                    "this method is not allowed to be called when this is a key");
        }
        return supportsUploading;
    }

    public boolean isUserVisible() {
        if (isKey) {
            throw new IllegalStateException(
                    "this method is not allowed to be called when this is a key");
        }
        return userVisible;
    }

    public static SyncAdapterType newKey(String authority, String accountType) {
        return new SyncAdapterType(authority, accountType);
    }

    public boolean equals(Object o) {
        if (o == this) return true;
        if (!(o instanceof SyncAdapterType)) return false;
        final SyncAdapterType other = (SyncAdapterType)o;
        // don't include userVisible or supportsUploading in the equality check
        return authority.equals(other.authority) && accountType.equals(other.accountType);
    }

    public int hashCode() {
        int result = 17;
        result = 31 * result + authority.hashCode();
        result = 31 * result + accountType.hashCode();
        // don't include userVisible or supportsUploading  the hash
        return result;
    }

    public String toString() {
        if (isKey) {
            return "SyncAdapterType Key {name=" + authority
                    + ", type=" + accountType
                    + "}";
        } else {
            return "SyncAdapterType {name=" + authority
                    + ", type=" + accountType
                    + ", userVisible=" + userVisible
                    + ", supportsUploading=" + supportsUploading
                    + "}";
        }
    }

    public int describeContents() {
        return 0;
    }

    public void writeToParcel(Parcel dest, int flags) {
        if (isKey) {
            throw new IllegalStateException("keys aren't parcelable");
        }

        dest.writeString(authority);
        dest.writeString(accountType);
        dest.writeInt(userVisible ? 1 : 0);
        dest.writeInt(supportsUploading ? 1 : 0);
    }

    public SyncAdapterType(Parcel source) {
        this(
                source.readString(),
                source.readString(),
                source.readInt() != 0,
                source.readInt() != 0);
    }

    public static final Creator<SyncAdapterType> CREATOR = new Creator() {
        public SyncAdapterType createFromParcel(Parcel source) {
            return new SyncAdapterType(source);
        }

        public SyncAdapterType[] newArray(int size) {
            return new SyncAdapterType[size];
        }
    };
}

Other Android examples (source code examples)

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