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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
/* $Id$ */
package org.apache.fop.apps;
import java.net.URI;
import org.apache.xmlgraphics.image.loader.impl.AbstractImageSessionContext.FallbackResolver;
import org.apache.xmlgraphics.image.loader.impl.AbstractImageSessionContext.RestrictedFallbackResolver;
import org.apache.xmlgraphics.image.loader.impl.AbstractImageSessionContext.UnrestrictedFallbackResolver;
import org.apache.xmlgraphics.io.ResourceResolver;
import org.apache.fop.apps.io.InternalResourceResolver;
import org.apache.fop.apps.io.ResourceResolverFactory;
import org.apache.fop.fonts.FontCacheManager;
import org.apache.fop.fonts.FontCacheManagerFactory;
import org.apache.fop.fonts.FontDetector;
import org.apache.fop.fonts.FontDetectorFactory;
import org.apache.fop.fonts.FontManager;
/**
* Creates an {@link EnvironmentProfile} that sets the environment in which a FOP instance is run.
*/
public final class EnvironmentalProfileFactory {
private EnvironmentalProfileFactory() {
};
/**
* Creates the default environment that FOP is invoked in. This default profile has no
* operational restrictions for FOP.
*
* @param defaultBaseUri the default base URI for resolving resource URIs
* @param resourceResolver the resource resolver
* @return the environment profile
*/
public static EnvironmentProfile createDefault(URI defaultBaseUri,
ResourceResolver resourceResolver) {
return new Profile(defaultBaseUri, resourceResolver,
createFontManager(defaultBaseUri, resourceResolver,
FontDetectorFactory.createDefault(),
FontCacheManagerFactory.createDefault()),
new UnrestrictedFallbackResolver());
}
/**
* Creates an IO-restricted environment for FOP by disabling some of the environment-specific
* functionality within FOP.
*
* @param defaultBaseUri the default base URI for resolving resource URIs
* @param resourceResolver the resource resolver
* @return the environment profile
*/
public static EnvironmentProfile createRestrictedIO(URI defaultBaseUri,
ResourceResolver resourceResolver) {
return new Profile(defaultBaseUri, resourceResolver,
createFontManager(defaultBaseUri, resourceResolver,
FontDetectorFactory.createDisabled(),
FontCacheManagerFactory.createDisabled()),
new RestrictedFallbackResolver());
}
private static final class Profile implements EnvironmentProfile {
private final ResourceResolver resourceResolver;
private final FontManager fontManager;
private final URI defaultBaseURI;
private final FallbackResolver fallbackResolver;
private Profile(URI defaultBaseURI, ResourceResolver resourceResolver,
FontManager fontManager, FallbackResolver fallbackResolver) {
if (defaultBaseURI == null) {
throw new IllegalArgumentException("Default base URI must not be null");
}
if (resourceResolver == null) {
throw new IllegalArgumentException("ResourceResolver must not be null");
}
if (fontManager == null) {
throw new IllegalArgumentException("The FontManager must not be null");
}
this.defaultBaseURI = defaultBaseURI;
this.resourceResolver = resourceResolver;
this.fontManager = fontManager;
this.fallbackResolver = fallbackResolver;
}
public ResourceResolver getResourceResolver() {
return resourceResolver;
}
public FontManager getFontManager() {
return fontManager;
}
public URI getDefaultBaseURI() {
return defaultBaseURI;
}
public FallbackResolver getFallbackResolver() {
return fallbackResolver;
}
}
private static FontManager createFontManager(URI defaultBaseUri, ResourceResolver resourceResolver,
FontDetector fontDetector, FontCacheManager fontCacheManager) {
InternalResourceResolver internalResolver = ResourceResolverFactory.createInternalResourceResolver(
defaultBaseUri, resourceResolver);
return new FontManager(internalResolver, fontDetector, fontCacheManager);
}
}
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