com.cgxlib.xq.client.builders.JsonBuilderBase.java Source code

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Here is the source code for com.cgxlib.xq.client.builders.JsonBuilderBase.java

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/*
 * Copyright 2011, The gwtquery team.
 *
 * 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 com.cgxlib.xq.client.builders;

/*
 * #%L
 * CGXlib
 * %%
 * Copyright (C) 2016 CGXlib (http://www.cgxlib.com)
 * %%
 * 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.
 * #L%
  Code is originally from gwtquery, and modified by CGXlib team.
 */

import com.cgxlib.xq.client.IsProperties;
import com.cgxlib.xq.client.Properties;
import com.cgxlib.xq.client.js.JsCache;
import com.cgxlib.xq.client.js.JsObjectArray;
import com.cgxlib.xq.client.js.JsUtils;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.core.client.JsArray;

import java.util.Arrays;
import java.util.List;

/**
 * Common class for all JsonBuilder implementations.
 *
 * @param <J>
 */
public abstract class JsonBuilderBase<J extends JsonBuilderBase<?>> implements JsonBuilder {

    protected Properties p = Properties.create();
    protected String[] fieldNames = new String[] {};

    @SuppressWarnings("unchecked")
    @Override
    public J parse(String json) {
        return load(JsUtils.parseJSON(json));
    }

    @SuppressWarnings("unchecked")
    @Override
    public J parse(String json, boolean fix) {
        return fix ? parse(Properties.wrapPropertiesString(json)) : parse(json);
    }

    @SuppressWarnings("unchecked")
    @Override
    public J strip() {
        List<String> names = Arrays.asList(getFieldNames());
        for (String jsonName : p.getFieldNames()) {
            // TODO: figure out a way so as we can generate some marks in generated class in
            // order to call getters to return JsonBuilder object given an an attribute name
            if (!names.contains(jsonName)) {
                p.<JsCache>cast().delete(jsonName);
            }
        }
        return (J) this;
    }

    @SuppressWarnings("unchecked")
    @Override
    public J load(Object prp) {
        assert prp == null || prp instanceof JavaScriptObject || prp instanceof String;
        if (prp != null && prp instanceof String) {
            return parse((String) prp);
        }
        if (prp != null) {
            p = (Properties) prp;
        }
        return (J) this;
    }

    protected <T> void setArrayBase(String n, T[] r) {
        if (r.length > 0 && r[0] instanceof JsonBuilder) {
            JsArray<JavaScriptObject> a = JavaScriptObject.createArray().cast();
            for (T o : r) {
                a.push(((JsonBuilder) o).<Properties>getDataImpl());
            }
            p.set(n, a);
        } else {
            JsObjectArray<Object> a = JsObjectArray.create();
            a.add(r);
            p.set(n, a);
        }
    }

    @SuppressWarnings("unchecked")
    protected <T> T[] getArrayBase(String n, T[] r, Class<T> clazz) {
        JsObjectArray<?> a = p.getArray(n).cast();
        int l = r.length;
        for (int i = 0; i < l; i++) {
            Object w = a.get(i);
            Class<?> c = w.getClass();
            do {
                if (c.equals(clazz)) {
                    r[i] = (T) w;
                    break;
                }
                c = c.getSuperclass();
            } while (c != null);
        }
        return r;
    }

    protected Properties getPropertiesBase(String n) {
        if (p.getJavaScriptObject(n) == null) {
            p.set(n, Properties.create());
        }
        return p.getJavaScriptObject(n);
    }

    public String toString() {
        return p.tostring();
    }

    @Override
    public String toJson() {
        return p.tostring();
    }

    public String toJsonWithName() {
        return "{\"" + getJsonName() + "\":" + p.tostring() + "}";
    }

    @SuppressWarnings("unchecked")
    @Override
    public Properties getProperties() {
        return p;
    }

    @Override
    public String toQueryString() {
        return p.toQueryString();
    }

    @SuppressWarnings("unchecked")
    @Override
    public Properties getDataImpl() {
        return p;
    }

    public <T> T get(Object key) {
        return p.get(key);
    }

    @SuppressWarnings("unchecked")
    public <T extends IsProperties> T set(Object key, Object val) {
        if (val instanceof IsProperties) {
            p.set(key, ((IsProperties) val).getDataImpl());
        } else {
            p.set(key, val);
        }
        return (T) this;
    }

    public <T extends JsonBuilder> T as(Class<T> clz) {
        return p.as(clz);
    }

    public final String[] getFieldNames() {
        return fieldNames;
    }
}