ae.config.field.AbstractMetaField.java Source code

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Here is the source code for ae.config.field.AbstractMetaField.java

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/*
 * Copyright 2007-2008 the original author or authors.
 *
 * 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 ae.config.field;

import static org.apache.commons.lang.StringUtils.capitalize;
import static org.apache.commons.lang.StringUtils.isBlank;

import java.util.List;

import ae.config.ActiveEntity;
import ae.config.Project;

import com.google.common.collect.Lists;

public abstract class AbstractMetaField<F extends AbstractMetaField<F>> implements MetaField<F> {

    private final ActiveEntity ae;
    private String name;
    private String property;
    private final List<FieldMetaConstraint> constraints = Lists.newLinkedList();

    protected AbstractMetaField(final ActiveEntity ae) {
        if (ae == null) {
            throw new NullPointerException("ae");
        }
        this.ae = ae;
    }

    @Override
    public Project getProject() {
        return this.ae.getProject();
    }

    @Override
    public ActiveEntity getAe() {
        return this.ae;
    }

    @Override
    public String getName() {
        return this.name;
    }

    protected void setName(final String field) {
        this.name = field;
    }

    @Override
    public String getDescriptorClass() {
        return getCapitallizedField() + "Field";
    }

    @Override
    public String getProperty() {
        return this.property;
    }

    @Override
    public void setProperty(final String mappedName) {
        this.property = mappedName;
    }

    @Override
    public void addConstraint(final FieldMetaConstraint constraint) {
        this.constraints.add(constraint);
    }

    @Override
    public void prepareField(final String name) {
        if (name == null) {
            throw new NullPointerException("name");
        }
        if (isBlank(getName())) {
            setName(name);
        }
        if (isBlank(getProperty())) {
            setProperty(getName());
        }
    }

    public String getCapitallizedField() {
        return capitalize(getName());
    }

    @Override
    public List<FieldMetaConstraint> getConstraints() {
        return this.constraints;
    }

    @Override
    public boolean isConstraintsDefined() {
        return this.constraints != null && !this.constraints.isEmpty();
    }

    @Override
    public String toString() {
        return this.name;
    }

    @Override
    public boolean isBoolean() {
        return false;
    }

    @Override
    public boolean isEnum() {
        return false;
    }

    @Override
    public boolean isCollection() {
        return false;
    }

    @Override
    public String getPath() {
        return getAe().getClassName() + '.' + getName();
    }

    @Override
    @SuppressWarnings("unchecked")
    public F asMetaField() {
        return (F) this;
    }
}