mirror of https://github.com/tasks/tasks
commiting intermediary changes
Arne Jans
14 years ago
parent
8697f99cab
commit
315584ce2e
@ -1,117 +1,117 @@
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package com.todoroo.andlib;
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import static com.todoroo.andlib.Constants.COMMA;
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import static com.todoroo.andlib.Constants.GROUP_BY;
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import static com.todoroo.andlib.Constants.LIMIT;
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import static com.todoroo.andlib.Constants.ORDER_BY;
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import static com.todoroo.andlib.Constants.SPACE;
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import static com.todoroo.andlib.Constants.WHERE;
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import static java.util.Arrays.asList;
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import java.util.ArrayList;
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/**
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* Query Template returns a bunch of criteria that allows a query to be
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* constructed
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*
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* @author Tim Su <tim@todoroo.com>
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*
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*/
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public final class QueryTemplate {
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private final ArrayList<Criterion> criterions = new ArrayList<Criterion>();
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private final ArrayList<Join> joins = new ArrayList<Join>();
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private final ArrayList<Field> groupBies = new ArrayList<Field>();
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private final ArrayList<Order> orders = new ArrayList<Order>();
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private final ArrayList<Criterion> havings = new ArrayList<Criterion>();
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private Integer limit = null;
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public QueryTemplate join(Join... join) {
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joins.addAll(asList(join));
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return this;
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}
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public QueryTemplate where(Criterion criterion) {
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criterions.add(criterion);
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return this;
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}
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public QueryTemplate groupBy(Field... groupBy) {
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groupBies.addAll(asList(groupBy));
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return this;
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}
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public QueryTemplate orderBy(Order... order) {
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orders.addAll(asList(order));
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return this;
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}
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@Override
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public String toString() {
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StringBuilder sql = new StringBuilder();
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visitJoinClause(sql);
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visitWhereClause(sql);
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visitGroupByClause(sql);
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visitOrderByClause(sql);
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if(limit != null)
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sql.append(LIMIT).append(SPACE).append(limit);
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return sql.toString();
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}
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private void visitOrderByClause(StringBuilder sql) {
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if (orders.isEmpty()) {
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return;
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}
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sql.append(ORDER_BY);
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for (Order order : orders) {
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sql.append(SPACE).append(order).append(COMMA);
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}
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sql.deleteCharAt(sql.length() - 1).append(SPACE);
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}
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@SuppressWarnings("nls")
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private void visitGroupByClause(StringBuilder sql) {
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if (groupBies.isEmpty()) {
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return;
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}
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sql.append(GROUP_BY);
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for (Field groupBy : groupBies) {
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sql.append(SPACE).append(groupBy).append(COMMA);
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}
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sql.deleteCharAt(sql.length() - 1).append(SPACE);
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if (havings.isEmpty()) {
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return;
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}
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sql.append("HAVING");
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for (Criterion havingCriterion : havings) {
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sql.append(SPACE).append(havingCriterion).append(COMMA);
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}
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sql.deleteCharAt(sql.length() - 1).append(SPACE);
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}
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private void visitWhereClause(StringBuilder sql) {
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if (criterions.isEmpty()) {
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return;
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}
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sql.append(WHERE);
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for (Criterion criterion : criterions) {
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sql.append(SPACE).append(criterion).append(SPACE);
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}
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}
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private void visitJoinClause(StringBuilder sql) {
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for (Join join : joins) {
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sql.append(join).append(SPACE);
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}
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}
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public QueryTemplate having(Criterion criterion) {
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this.havings.add(criterion);
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return this;
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}
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public QueryTemplate limit(int limitValue) {
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this.limit = limitValue;
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return this;
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}
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}
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package com.todoroo.andlib;
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import static com.todoroo.andlib.Constants.COMMA;
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import static com.todoroo.andlib.Constants.GROUP_BY;
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import static com.todoroo.andlib.Constants.LIMIT;
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import static com.todoroo.andlib.Constants.ORDER_BY;
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import static com.todoroo.andlib.Constants.SPACE;
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import static com.todoroo.andlib.Constants.WHERE;
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import static java.util.Arrays.asList;
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import java.util.ArrayList;
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/**
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* Query Template returns a bunch of criteria that allows a query to be
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* constructed
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*
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* @author Tim Su <tim@todoroo.com>
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*
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*/
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public final class QueryTemplate {
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private final ArrayList<Criterion> criterions = new ArrayList<Criterion>();
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private final ArrayList<Join> joins = new ArrayList<Join>();
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private final ArrayList<Field> groupBies = new ArrayList<Field>();
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private final ArrayList<Order> orders = new ArrayList<Order>();
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private final ArrayList<Criterion> havings = new ArrayList<Criterion>();
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private Integer limit = null;
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public QueryTemplate join(Join... join) {
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joins.addAll(asList(join));
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return this;
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}
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public QueryTemplate where(Criterion criterion) {
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criterions.add(criterion);
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return this;
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}
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public QueryTemplate groupBy(Field... groupBy) {
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groupBies.addAll(asList(groupBy));
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return this;
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}
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public QueryTemplate orderBy(Order... order) {
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orders.addAll(asList(order));
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return this;
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}
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@Override
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public String toString() {
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StringBuilder sql = new StringBuilder();
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visitJoinClause(sql);
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visitWhereClause(sql);
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visitGroupByClause(sql);
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visitOrderByClause(sql);
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if(limit != null)
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sql.append(LIMIT).append(SPACE).append(limit);
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return sql.toString();
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}
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private void visitOrderByClause(StringBuilder sql) {
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if (orders.isEmpty()) {
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return;
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}
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sql.append(ORDER_BY);
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for (Order order : orders) {
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sql.append(SPACE).append(order).append(COMMA);
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}
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sql.deleteCharAt(sql.length() - 1).append(SPACE);
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}
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@SuppressWarnings("nls")
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private void visitGroupByClause(StringBuilder sql) {
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if (groupBies.isEmpty()) {
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return;
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}
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sql.append(GROUP_BY);
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for (Field groupBy : groupBies) {
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sql.append(SPACE).append(groupBy).append(COMMA);
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}
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sql.deleteCharAt(sql.length() - 1).append(SPACE);
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if (havings.isEmpty()) {
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return;
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}
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sql.append("HAVING");
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for (Criterion havingCriterion : havings) {
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sql.append(SPACE).append(havingCriterion).append(COMMA);
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}
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sql.deleteCharAt(sql.length() - 1).append(SPACE);
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}
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private void visitWhereClause(StringBuilder sql) {
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if (criterions.isEmpty()) {
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return;
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}
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sql.append(WHERE);
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for (Criterion criterion : criterions) {
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sql.append(SPACE).append(criterion).append(SPACE);
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}
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}
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private void visitJoinClause(StringBuilder sql) {
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for (Join join : joins) {
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sql.append(join).append(SPACE);
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}
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}
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public QueryTemplate having(Criterion criterion) {
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this.havings.add(criterion);
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return this;
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}
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public QueryTemplate limit(int limitValue) {
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this.limit = limitValue;
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return this;
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}
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}
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@ -1,20 +1,20 @@
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package com.todoroo.andlib;
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public class SqlTable extends DBObject<SqlTable> {
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protected SqlTable(String expression) {
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super(expression);
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}
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public static SqlTable table(String table) {
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return new SqlTable(table);
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}
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@SuppressWarnings("nls")
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protected String fieldExpression(String fieldName) {
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if (hasAlias()) {
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return alias + "." + fieldName;
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}
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return expression+"."+fieldName;
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}
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}
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package com.todoroo.andlib;
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public class SqlTable extends DBObject<SqlTable> {
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protected SqlTable(String expression) {
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super(expression);
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}
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public static SqlTable table(String table) {
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return new SqlTable(table);
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}
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@SuppressWarnings("nls")
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protected String fieldExpression(String fieldName) {
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if (hasAlias()) {
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return alias + "." + fieldName;
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}
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return expression+"."+fieldName;
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}
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}
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@ -1,92 +1,92 @@
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package com.todoroo.andlib;
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import static com.todoroo.andlib.Constants.SPACE;
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public class UnaryCriterion extends Criterion {
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protected final Field expression;
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protected final Object value;
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UnaryCriterion(Field expression, Operator operator, Object value) {
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super(operator);
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this.expression = expression;
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this.value = value;
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}
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@Override
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protected void populate(StringBuilder sb) {
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beforePopulateOperator(sb);
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populateOperator(sb);
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afterPopulateOperator(sb);
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}
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public static Criterion eq(Field expression, Object value) {
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return new UnaryCriterion(expression, Operator.eq, value);
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}
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protected void beforePopulateOperator(StringBuilder sb) {
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sb.append(expression);
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}
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protected void populateOperator(StringBuilder sb) {
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sb.append(operator);
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}
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@SuppressWarnings("nls")
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protected void afterPopulateOperator(StringBuilder sb) {
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if(value == null)
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return;
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else if(value instanceof String)
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sb.append("'").append(sanitize((String) value)).append("'");
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else
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sb.append(value);
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}
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/**
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* Sanitize the given input for SQL
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* @param input
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* @return
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*/
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@SuppressWarnings("nls")
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public static String sanitize(String input) {
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return input.replace("\\", "\\\\").replace("'", "\\'");
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}
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public static Criterion neq(Field field, Object value) {
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return new UnaryCriterion(field, Operator.neq, value);
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}
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public static Criterion gt(Field field, Object value) {
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return new UnaryCriterion(field, Operator.gt, value);
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}
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public static Criterion lt(Field field, Object value) {
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return new UnaryCriterion(field, Operator.lt, value);
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}
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public static Criterion isNull(Field field) {
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return new UnaryCriterion(field, Operator.isNull, null) {
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@Override
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protected void populateOperator(StringBuilder sb) {
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sb.append(SPACE).append(operator);
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}
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};
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}
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public static Criterion isNotNull(Field field) {
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return new UnaryCriterion(field, Operator.isNotNull, null) {
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@Override
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protected void populateOperator(StringBuilder sb) {
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sb.append(SPACE).append(operator);
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}
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};
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}
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public static Criterion like(Field field, String value) {
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return new UnaryCriterion(field, Operator.like, value) {
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@Override
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protected void populateOperator(StringBuilder sb) {
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sb.append(SPACE).append(operator).append(SPACE);
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}
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};
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}
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}
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package com.todoroo.andlib;
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import static com.todoroo.andlib.Constants.SPACE;
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public class UnaryCriterion extends Criterion {
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protected final Field expression;
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protected final Object value;
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UnaryCriterion(Field expression, Operator operator, Object value) {
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super(operator);
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this.expression = expression;
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this.value = value;
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}
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@Override
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protected void populate(StringBuilder sb) {
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beforePopulateOperator(sb);
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populateOperator(sb);
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afterPopulateOperator(sb);
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}
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public static Criterion eq(Field expression, Object value) {
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return new UnaryCriterion(expression, Operator.eq, value);
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}
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protected void beforePopulateOperator(StringBuilder sb) {
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sb.append(expression);
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}
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protected void populateOperator(StringBuilder sb) {
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sb.append(operator);
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}
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@SuppressWarnings("nls")
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protected void afterPopulateOperator(StringBuilder sb) {
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if(value == null)
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return;
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else if(value instanceof String)
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sb.append("'").append(sanitize((String) value)).append("'");
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else
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sb.append(value);
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}
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/**
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* Sanitize the given input for SQL
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* @param input
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* @return
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*/
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@SuppressWarnings("nls")
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public static String sanitize(String input) {
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return input.replace("\\", "\\\\").replace("'", "\\'");
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}
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public static Criterion neq(Field field, Object value) {
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return new UnaryCriterion(field, Operator.neq, value);
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}
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public static Criterion gt(Field field, Object value) {
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return new UnaryCriterion(field, Operator.gt, value);
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}
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public static Criterion lt(Field field, Object value) {
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return new UnaryCriterion(field, Operator.lt, value);
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}
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public static Criterion isNull(Field field) {
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return new UnaryCriterion(field, Operator.isNull, null) {
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@Override
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protected void populateOperator(StringBuilder sb) {
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sb.append(SPACE).append(operator);
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}
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};
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}
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public static Criterion isNotNull(Field field) {
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return new UnaryCriterion(field, Operator.isNotNull, null) {
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@Override
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protected void populateOperator(StringBuilder sb) {
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sb.append(SPACE).append(operator);
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}
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};
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}
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public static Criterion like(Field field, String value) {
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return new UnaryCriterion(field, Operator.like, value) {
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@Override
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protected void populateOperator(StringBuilder sb) {
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sb.append(SPACE).append(operator).append(SPACE);
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}
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};
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}
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}
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