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/*
* Copyright (c) 2014-present, salesforce.com, inc.
* All rights reserved.
* Redistribution and use of this software in source and binary forms, with or
* without modification, are permitted provided that the following conditions
* are met:
* - Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of salesforce.com, inc. nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission of salesforce.com, inc.
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package com.salesforce.androidsdk.mobilesync.util
import android.net.Uri
import android.text.TextUtils
import com.salesforce.androidsdk.mobilesync.manager.SyncManager
import java.util.Locale
/**
* Helper class to build a SOQL statement.
*
* @author bhariharan
*/
class SOQLBuilder private constructor() {
private val properties: HashMap = HashMap()
/**
* Adds the 'from' clause.
*
* @param from From clause.
* @return Instance with 'from' clause.
*/
fun from(from: String?): SOQLBuilder {
properties["from"] = from
return this
}
/**
* Adds the 'where' clause.
*
* @param where Where clause.
* @return Instance with 'where' clause.
*/
fun where(where: String?): SOQLBuilder {
properties["where"] = where
return this
}
/**
* Adds the 'with' clause.
*
* @param with With clause.
* @return Instance with 'with' clause.
*/
fun with(with: String?): SOQLBuilder {
properties["with"] = with
return this
}
/**
* Adds the 'groupBy' clause.
*
* @param groupBy Group by clause.
* @return Instance with 'groupBy' clause.
*/
fun groupBy(groupBy: String?): SOQLBuilder {
properties["groupBy"] = groupBy
return this
}
/**
* Adds the 'having' clause.
*
* @param having Having clause.
* @return Instance with 'having' clause.
*/
fun having(having: String?): SOQLBuilder {
properties["having"] = having
return this
}
/**
* Adds the 'orderBy' clause.
*
* @param orderBy Order by clause.
* @return Instance with 'orderBy' clause.
*/
fun orderBy(orderBy: String?): SOQLBuilder {
properties["orderBy"] = orderBy
return this
}
/**
* Adds the 'limit' clause.
*
* @param limit Limit clause.
* @return Instance with 'limit' clause.
*/
fun limit(limit: Int?): SOQLBuilder {
properties["limit"] = limit
return this
}
/**
* Adds the 'offset' clause.
*
* @param offset Offset clause.
* @return Instance with 'offset' clause.
*/
fun offset(offset: Int?): SOQLBuilder {
properties["offset"] = offset
return this
}
/**
* Builds and encodes the query.
*
* @return URI encoded query.
*/
fun buildAndEncode(): String {
return Uri.encode(build())
}
/**
* Builds and encodes with path.
*
* @param path Path.
* @return URI encoded query with path.
*/
fun buildAndEncodeWithPath(path: String?): String? {
var result: String? = null
if (path != null) {
result = if (path.endsWith("/")) {
Uri.encode(String.format("%squery/?q=%s", path, build()))
} else {
Uri.encode(String.format("%s/query/?q=%s", path, build()))
}
}
return result
}
/**
* Builds with path.
*
* @param path Path.
* @return Query with path.
*/
fun buildWithPath(path: String?): String? {
var result: String? = null
if (path != null) {
result = if (path.endsWith("/")) {
String.format("%squery/?q=%s", path, build())
} else {
String.format("%s/query/?q=%s", path, build())
}
}
return result
}
/**
* Builds the query.
*
* @return Query.
*/
fun build(): String {
val query = StringBuilder()
val fieldList = properties["fields"] as? String
if (fieldList.isNullOrEmpty()) {
throw SyncManager.MobileSyncException("No field selected")
}
query.append("select ")
query.append(fieldList)
val from = properties["from"] as String?
if (from.isNullOrEmpty()) {
throw SyncManager.MobileSyncException("No table specified")
}
query.append(" from ")
query.append(from)
val where = properties["where"] as String?
if (!where.isNullOrEmpty()) {
query.append(" where ")
query.append(where)
}
val groupBy = properties["groupBy"] as String?
if (!groupBy.isNullOrEmpty()) {
query.append(" group by ")
query.append(groupBy)
}
val having = properties["having"] as String?
if (!having.isNullOrEmpty()) {
query.append(" having ")
query.append(having)
}
val orderBy = properties["orderBy"] as String?
if (!orderBy.isNullOrEmpty()) {
query.append(" order by ")
query.append(orderBy)
}
val limit = properties["limit"] as Int?
if (limit != null && limit > 0) {
query.append(" limit ")
query.append(String.format(Locale.US, "%d", limit))
}
val offset = properties["offset"] as Int?
if (offset != null && offset > 0) {
query.append(" offset ")
query.append(String.format(Locale.US, "%d", offset))
}
return query.toString()
}
private fun fields(fields: String?): SOQLBuilder {
properties["fields"] = fields
return this
}
companion object {
/**
* Returns an instance of this class based on the fields passed as a comma separated string.
*
* @param fields Fields.
* @return Instance of this class.
*/
fun getInstanceWithFields(fields: String?): SOQLBuilder {
val instance = SOQLBuilder()
instance.fields(fields)
instance.limit(0)
instance.offset(0)
return instance
}
/**
* Returns an instance of this class based on the fields passed as an array of strings.
*
* @param fields Fields.
* @return Instance of this class.
*/
fun getInstanceWithFields(vararg fields: String?): SOQLBuilder {
return getInstanceWithFields(TextUtils.join(", ", fields))
}
/**
* Returns an instance of this class based on the fields passed as a list of strings.
*
* @param fields Fields.
* @return Instance of this class.
*/
fun getInstanceWithFields(fields: List): SOQLBuilder {
return getInstanceWithFields(TextUtils.join(", ", fields))
}
}
}
