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Improve formatting

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This commit is contained in:
Timo Westkämper 2013-09-11 23:09:02 +03:00
parent bdc4d0f188
commit 2dd07373ce
1 changed files with 22 additions and 19 deletions
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41
querydsl-core/src/main/java/com/mysema/query/types/ConstructorExpression.java
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@ -1,6 +1,6 @@
/*
* Copyright 2011, Mysema Ltd
*
*
* 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
@ -27,15 +27,15 @@ import com.google.common.primitives.Primitives;
/**
* ConstructorExpression represents a constructor invocation
*
*
* <p>Example</p>
*
*
* <pre>
* {@code
* QEmployee employee = QEmployee.employee;
* List<EmployeeInfo> result = query.from(employee)
* .where(employee.valid.eq(true))
* .list(ConstructorExpression.create(EmployeeInfo.class, employee.firstName, employee.lastName));
* .list(ConstructorExpression.create(EmployeeInfo.class, employee.firstName, employee.lastName));
* }
* </pre>
*
@ -51,10 +51,10 @@ public class ConstructorExpression<T> extends ExpressionBase<T> implements Facto
private static Class<?> normalize(Class<?> clazz) {
return Primitives.wrap(clazz);
}
private static Class<?>[] getRealParameters(Class<?> type, Class<?>[] givenTypes) {
for (Constructor<?> c : type.getConstructors()) {
Class<?>[] paramTypes = c.getParameterTypes();
Class<?>[] paramTypes = c.getParameterTypes();
if (c.isVarArgs()) {
return paramTypes;
} else if (paramTypes.length == givenTypes.length) {
@ -71,14 +71,15 @@ public class ConstructorExpression<T> extends ExpressionBase<T> implements Facto
}
}
// prepare error message
final StringBuilder formattedTypes = new StringBuilder();
for(Class<?> typ : givenTypes) {
if(formattedTypes.length() > 0) {
StringBuilder formattedTypes = new StringBuilder();
for (Class<?> typ : givenTypes) {
if (formattedTypes.length() > 0) {
formattedTypes.append(", ");
}
formattedTypes.append(typ.getName());
}
throw new ExpressionException("Got no matching constructor. Class: " + type.getName() +", Parameters: " + formattedTypes.toString());
throw new ExpressionException("Got no matching constructor. Class: " +
type.getName() +", parameters: " + formattedTypes.toString());
}
public static <D> ConstructorExpression<D> create(Class<D> type, Expression<?>... args) {
@ -92,10 +93,10 @@ public class ConstructorExpression<T> extends ExpressionBase<T> implements Facto
private final ImmutableList<Expression<?>> args;
private final Class<?>[] parameterTypes;
@Nullable
private transient Constructor<?> constructor;
public ConstructorExpression(Class<T> type, Class<?>[] paramTypes, Expression<?>... args) {
this(type, paramTypes, ImmutableList.copyOf(args));
}
@ -113,7 +114,7 @@ public class ConstructorExpression<T> extends ExpressionBase<T> implements Facto
*/
@SuppressWarnings("unchecked")
public Expression<T> as(Path<T> alias) {
return OperationImpl.create((Class<T>)getType(),Ops.ALIAS, this, alias);
return OperationImpl.create(getType(),Ops.ALIAS, this, alias);
}
/**
@ -124,7 +125,7 @@ public class ConstructorExpression<T> extends ExpressionBase<T> implements Facto
public Expression<T> as(String alias) {
return as(new PathImpl<T>(getType(), alias));
}
@Override
public <R,C> R accept(Visitor<R,C> v, C context) {
return v.visit(this, context);
@ -144,10 +145,12 @@ public class ConstructorExpression<T> extends ExpressionBase<T> implements Facto
}
}
@Override
public final List<Expression<?>> getArgs() {
return args;
}
@Override
@SuppressWarnings("unchecked")
public T newInstance(Object... args) {
try {
@ -157,19 +160,19 @@ public class ConstructorExpression<T> extends ExpressionBase<T> implements Facto
if (constructor.isVarArgs()) {
Class<?>[] paramTypes = constructor.getParameterTypes();
// constructor args
Object[] cargs = new Object[paramTypes.length];
Object[] cargs = new Object[paramTypes.length];
System.arraycopy(args, 0, cargs, 0, cargs.length - 1);
// array with vargs
int size = args.length - cargs.length + 1;
Object array = Array.newInstance(
paramTypes[paramTypes.length - 1].getComponentType(), size);
cargs[cargs.length - 1] = array;
System.arraycopy(args, cargs.length - 1, array, 0, size);
System.arraycopy(args, cargs.length - 1, array, 0, size);
return (T) constructor.newInstance(cargs);
} else {
return (T) constructor.newInstance(args);
}
return (T) constructor.newInstance(args);
}
} catch (SecurityException e) {
throw new ExpressionException(e.getMessage(), e);
} catch (NoSuchMethodException e) {