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com.google.gwt.uibinder.rebind.BundleWriter Maven / Gradle / Ivy
/*
* Copyright 2009 Google Inc.
*
* 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.google.gwt.uibinder.rebind;
import com.google.gwt.core.ext.UnableToCompleteException;
import com.google.gwt.core.ext.typeinfo.JClassType;
import com.google.gwt.core.ext.typeinfo.TypeOracle;
import com.google.gwt.resources.client.ClientBundle;
import com.google.gwt.resources.client.CssResource.Import;
import com.google.gwt.resources.client.DataResource;
import com.google.gwt.resources.client.DataResource.DoNotEmbed;
import com.google.gwt.resources.client.DataResource.MimeType;
import com.google.gwt.resources.client.ImageResource;
import com.google.gwt.resources.client.ImageResource.ImageOptions;
import com.google.gwt.resources.client.ImageResource.RepeatStyle;
import com.google.gwt.uibinder.rebind.model.ImplicitClientBundle;
import com.google.gwt.uibinder.rebind.model.ImplicitCssResource;
import com.google.gwt.uibinder.rebind.model.ImplicitDataResource;
import com.google.gwt.uibinder.rebind.model.ImplicitImageResource;
import java.util.Collection;
import java.util.Set;
/**
* Writes source implementing an {@link ImplicitClientBundle}.
*/
public class BundleWriter {
private final ImplicitClientBundle bundleClass;
private final IndentedWriter writer;
private final PrintWriterManager writerManager;
private final TypeOracle types;
private final MortalLogger logger;
private final JClassType clientBundleType;
private final JClassType dataResourceType;
private final JClassType doNotEmbedType;
private final JClassType dataMimeTypeType;
private final JClassType imageOptionType;
private final JClassType imageResourceType;
private final JClassType repeatStyleType;
private final JClassType importAnnotationType;
public BundleWriter(ImplicitClientBundle bundleClass,
PrintWriterManager writerManager, TypeOracle types, MortalLogger logger) {
this.bundleClass = bundleClass;
this.writer = new IndentedWriter(
writerManager.makePrintWriterFor(bundleClass.getClassName()));
this.writerManager = writerManager;
this.types = types;
this.logger = logger;
clientBundleType = types.findType(ClientBundle.class.getName());
dataResourceType = types.findType(DataResource.class.getCanonicalName());
doNotEmbedType = types.findType(DoNotEmbed.class.getCanonicalName());
dataMimeTypeType = types.findType(MimeType.class.getCanonicalName());
imageOptionType = types.findType(ImageOptions.class.getCanonicalName());
imageResourceType = types.findType(ImageResource.class.getCanonicalName());
repeatStyleType = types.findType(RepeatStyle.class.getCanonicalName());
importAnnotationType = types.findType(Import.class.getCanonicalName());
}
public void write() throws UnableToCompleteException {
writeBundleClass();
for (ImplicitCssResource css : bundleClass.getCssMethods()) {
new CssResourceWriter(css, types,
writerManager.makePrintWriterFor(css.getClassName()),
logger).write();
}
}
private void writeBundleClass() {
// Package declaration
String packageName = bundleClass.getPackageName();
if (packageName.length() > 0) {
writer.write("package %1$s;", packageName);
writer.newline();
}
// Imports
writer.write("import %s;", clientBundleType.getQualifiedSourceName());
writer.write("import %s;", dataResourceType.getQualifiedSourceName());
writer.write("import %s;", doNotEmbedType.getQualifiedSourceName());
writer.write("import %s;", dataMimeTypeType.getQualifiedSourceName());
writer.write("import %s;", imageResourceType.getQualifiedSourceName());
writer.write("import %s;", imageOptionType.getQualifiedSourceName());
writer.write("import %s;", importAnnotationType.getQualifiedSourceName());
writer.newline();
// Open interface
writer.write("public interface %s extends ClientBundle {",
bundleClass.getClassName());
writer.indent();
// Write css methods
for (ImplicitCssResource css : bundleClass.getCssMethods()) {
writeCssSource(css);
writeCssImports(css);
writer.write("%s %s();", css.getClassName(), css.getName());
writer.newline();
}
// Write data methods
for (ImplicitDataResource data : bundleClass.getDataMethods()) {
writer.write("@Source(\"%s\")", data.getSource());
writer.newline();
if (data.getDoNotEmbed() == Boolean.TRUE) {
writer.write("@DoNotEmbed");
writer.newline();
}
if (data.getMimeType() != null) {
writer.write("@MimeType(\"%s\")", data.getMimeType());
writer.newline();
}
writer.write("%s %s();", dataResourceType.getName(), data.getName());
writer.newline();
}
writeImageMethods();
// Close interface.
writer.outdent();
writer.write("}");
}
private void writeCssImports(ImplicitCssResource css) {
Set importTypes = css.getImports();
int numImports = importTypes.size();
if (numImports > 0) {
if (numImports == 1) {
writer.write("@Import(%s.class)",
importTypes.iterator().next().getQualifiedSourceName());
} else {
StringBuffer b = new StringBuffer();
for (JClassType importType : importTypes) {
if (b.length() > 0) {
b.append(", ");
}
b.append(importType.getQualifiedSourceName()).append(".class");
}
writer.write("@Import({%s})", b);
}
}
}
private void writeCssSource(ImplicitCssResource css) {
Collection sources = css.getSource();
if (sources.size() == 1) {
writer.write("@Source(\"%s\")", sources.iterator().next());
} else {
StringBuffer b = new StringBuffer();
for (String s : sources) {
if (b.length() > 0) {
b.append(", ");
}
b.append('"').append(s).append('"');
}
writer.write("@Source({%s})", b);
}
}
private void writeImageMethods() {
for (ImplicitImageResource image : bundleClass.getImageMethods()) {
if (null != image.getSource()) {
writer.write("@Source(\"%s\")", image.getSource());
}
writeImageOptionsAnnotation(image.getFlipRtl(), image.getRepeatStyle());
writer.write("%s %s();", imageResourceType.getName(), image.getName());
}
}
private void writeImageOptionsAnnotation(Boolean flipRtl,
RepeatStyle repeatStyle) {
if (flipRtl != null || repeatStyle != null) {
StringBuilder b = new StringBuilder("@ImageOptions(");
if (null != flipRtl) {
b.append("flipRtl=").append(flipRtl);
if (repeatStyle != null) {
b.append(", ");
}
}
if (repeatStyle != null) {
b.append(String.format("repeatStyle=%s.%s", repeatStyleType.getName(),
repeatStyle.toString()));
}
b.append(")");
writer.write(b.toString());
}
}
}
