/*
* Copyright (C) 2015 The Android Open Source Project
*
* 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.android.ahat;
import java.io.PrintStream;
import java.net.URI;
import java.util.List;
/**
* An Html implementation of Doc.
*/
public class HtmlDoc implements Doc {
private PrintStream ps;
private Column[] mCurrentTableColumns;
/**
* Create an HtmlDoc that writes to the given print stream.
* @param title - The main page title.
* @param style - A URI link to a stylesheet to link to.
*/
public HtmlDoc(PrintStream ps, DocString title, URI style) {
this.ps = ps;
ps.println("");
ps.println("");
ps.println("");
ps.format("%s\n", title.html());
ps.format("\n",
style.toASCIIString());
ps.println("");
ps.println("");
}
@Override
public void title(String format, Object... args) {
ps.print("
");
}
@Override
public void println(DocString string) {
ps.print(string.html());
ps.println(" ");
}
@Override
public void big(DocString str) {
ps.print("
");
ps.print(str.html());
ps.println("
");
}
@Override
public void table(Column... columns) {
if (columns.length == 0) {
throw new IllegalArgumentException("No columns specified");
}
mCurrentTableColumns = columns;
ps.println("
");
for (int i = 0; i < columns.length - 1; i++) {
ps.format("
%s
", columns[i].heading.html());
}
// Align the last header to the left so it's easier to see if the last
// column is very wide.
ps.format("
%s
", columns[columns.length - 1].heading.html());
}
@Override
public void table(DocString description, List subcols, List cols) {
mCurrentTableColumns = new Column[subcols.size() + cols.size()];
int j = 0;
for (Column col : subcols) {
mCurrentTableColumns[j] = col;
j++;
}
for (Column col : cols) {
mCurrentTableColumns[j] = col;
j++;
}
ps.println("
");
ps.format("
%s
", subcols.size(), description.html());
for (int i = 0; i < cols.size() - 1; i++) {
ps.format("
%s
", cols.get(i).heading.html());
}
if (!cols.isEmpty()) {
// Align the last column header to the left so it can still be seen if
// the last column is very wide.
ps.format("
");
}
@Override
public void row(DocString... values) {
if (mCurrentTableColumns == null) {
throw new IllegalStateException("table method must be called before row");
}
if (mCurrentTableColumns.length != values.length) {
throw new IllegalArgumentException(String.format(
"Wrong number of row values. Expected %d, but got %d",
mCurrentTableColumns.length, values.length));
}
ps.print("
");
for (int i = 0; i < values.length; i++) {
ps.print("%s", values[i].html());
}
ps.println("
");
}
@Override
public void descriptions() {
ps.println("