Temporarily add FilterSource

src/test/java/test/concordion/FilterSource.java

@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2010 Two Ten Consulting Limited, New Zealand
+ *
+ * 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 test.concordion;
+
+import org.concordion.api.Resource;
+import org.concordion.api.Source;
+import org.concordion.internal.ClassPathSource;
+
+import java.io.*;
+
+public class FilterSource implements Source {
+
+    private final Source source;
+    private String prefix;
+
+    public FilterSource(Source source, String filterPrefix) {
+        this.source = source;
+        prefix = filterPrefix;
+    }
+
+    public InputStream createInputStream(Resource resource) throws IOException {
+        if (resource.getPath().startsWith(prefix)) {
+            return new ByteArrayInputStream("x".getBytes("UTF-8"));
+        }
+        return source.createInputStream(resource);
+    }
+
+    public boolean canFind(Resource resource) {
+        return resource.getName().endsWith(".html");
+    }
+
+    @Override
+    public String readAsString(InputStream inputStream) throws IOException {
+        return readAsString(inputStream, "UTF-8");
+    }
+
+    @Override
+    public String readResourceAsString(String resourcePath) {
+        return readResourceAsString(resourcePath, "UTF-8");
+    }
+
+    private String readAsString(InputStream inputStream, String charsetName) throws IOException {
+        Reader reader = new InputStreamReader(inputStream, charsetName);
+        try {
+            return readAsString(reader);
+        } finally {
+            reader.close();
+        }
+    }
+
+    private InputStream getResourceAsStream(String resourcePath) {
+        ClassLoader classLoader = ClassPathSource.class.getClassLoader();
+        return classLoader.getResourceAsStream(resourcePath.replaceFirst("/", ""));
+    }
+
+    private String readAsString(Reader reader) throws IOException {
+        StringBuilder sb = new StringBuilder();
+        String line;
+        BufferedReader bufferedReader = new BufferedReader(reader);
+        while ((line = bufferedReader.readLine()) != null) {
+            sb.append(line).append("\n");
+        }
+        return sb.toString();
+    }
+
+    private String readResourceAsString(String resourcePath, String charsetName) {
+        try {
+            InputStream in = getResourceAsStream(resourcePath);
+            if (in == null) {
+                throw new IOException("Resource not found");
+            }
+            Reader reader = new InputStreamReader(in, charsetName);
+            try {
+                return readAsString(reader);
+            } finally {
+                reader.close();
+            }
+        } catch (IOException e) {
+            throw new RuntimeException("Failed to read resource '" + resourcePath + "'", e);
+        }
+    }
+
+}